Ponder Stibbons – Page 3

#Pratchat35 Notes and Errata

8 September 2020 by Ben Leave a Comment

These are the show notes and errata for episode 35, “Great Balls of Physics“, featuring guest Anna Ahveninen, discussing Terry’s 1999 collaboration with Jack Cohen and Ian Stewart, The Science of Discworld.

The episode title plays on the classic Jerry Lee Lewis song, “Great Balls of Fire”, in honour of Roundworld’s tendency to shape matter into spheres.
Anna (and Liz and Ben) know that pharmacists do not just “sell molecules”. Modern pharmacy is the science of understanding and preparing medicines. Pharmacists are highly trained healthcare professionals, rightly held in high regard. But in “Commonwealth English”, “chemist” is a common synonym for pharmacist, hence Anna’s joke and our hyperbolic extension of it. (While we’re on the subject, it’s not entirely true that “everything” is made of molecules, but certainly everything that humans are likely to sell on Earth is.)
The story of the science fiction convention, which was held in the Hague in an unspecified year, appears in the book in Chapter 22, “Things That Aren’t”. Jack Cohen gave a longer account of Terry’s involvement, as well as some other background on how the book was written and published, in the Guardian article “Terry Pratchett and the real science of Discworld” by Sam Jordison, published a couple of months after Terry’s death.
A Teaspoon and an Open Mind: The Science of Doctor Who was written by Michael White in 2005, and if Ben were feeling uncharitable he might suggest it was rushed out to cash in- er, coincide with the hugely successful revived series that same year. White is an English author and former member of 80s band The Thompson Twins who now writes novels, but has also written a number of acclaimed biographies of da Vinci, Newton, Einstein, Tolkien, Asimov and many more. He also wrote The Science of The X-Files – which gets mentioned in the introduction of The Science of Discworld! The Doctor Who book’s title comes from the 1979 story The Creature From the Pit, in which the Doctor, having succeeded where another has failed, quips: “Well to be fair I had a couple of gadgets he probably didn’t, like a teaspoon and an open mind.” This line was almost certainly influenced by Douglas Adams, who was script editor of Doctor Who at the time. A Teaspoon and an Open Mind is also the title of the dedicated Doctor Who fan fiction site whofic.com.
Paul Davies is a famous English physicist and broadcaster who has written thirty books, most of them popular science titles which were bestsellers in the 1980s and 1990s. His most famous books are God and the New Physics (1983), The Mind of God (1992), and Ben’s favourite, How to Build a Time Machine (2002). Though less prolific in recent years, he did publish a new book in 2019: The Demon in the Machine.
Back to the Future Part II and Part III were filmed “back to back”, meaning that they were produced together, one immediately after the other. This allowed the two to make numerous references to each other and include many of the same actors.
In the 2007 Doctor Who story “Blink”, often cited as one of the best, the Tenth Doctor famously explains causality and time travel like this: “People assume that time is a strict progression of cause to effect, but, actually, from a non-linear, non-subjective viewpoint, it’s more like a big ball of wibbly-wobbly… timey-wimey… stuff.”
Jack Cohen was a zoologist with a long career in academia, and also advised science fiction authors how to write plausible aliens, including Anne McCaffrey, Harry Harrison, Larry Niven and Terry himself. He died in 2019. Ian Stewart is a mathematician who has written a large number of academic and popular mathematics books. Both worked at the University of Warwick, which granted Terry Pratchett his first honorary degree in 1999 following the publication of The Science of Discworld. (At the same ceremony, Terry made Jack and Ian honorary wizards of Unseen University.)
Orwell’s Revenge: The 1984 Palimpsest is a 1994 book by Peter Huber which tries to refute the dystopia of 1984, claiming that information technology will always be subverted for good because information wants to be free. Ben was skeptical when he first read it twenty-four years ago, and is no less skeptical now he’s discovered it was one of Mark Zuckerberg’s picks for his public book club in 2015.
Thaumaturgy comes from Greek, and means “miracle work” or “wonder work”. It is not only used to describe magic, but also the ability of some saints to perform miracles. In the roleplaying game Vampire: The Masquerade, the vampire clan Tremere are descended from a cabal of human mages who transformed themselves into vampires to achieve immortality, but lost their ability to use wizard magic. They developed a type of blood magic based on hermetic principles as a replacement, which they call thaumaturgy. (Ben’s pronunciation is correct.)
The Manhattan Project was the US Army’s effort to build nuclear weapons during World War II. As part of the project, the world’s first nuclear reactor, Chicago Pile-1, was built in an old squash court in Stagg Field, a football field and sports complex at the Hyde Park campus of the University of Chicago. It was completed on December 1, 1942, and the reaction started with removal of the control rods the next day.
Ben’s old saying about specialists is one that’s evolved a lot over time and likely has multiple origins, as so many of these things do. The earliest example seems to be from William Warde Fowler, a scholar at the University of Oxford, who used a shorter version of the phrase in a review published in 1911. The earliest version to add the bit about “knowing everything about nothing” also included the saying’s witty opposite, from Stanford University’s Robert E. Swain, appropriately enough a chemist, in 1928. He was talking about the difference between scientists and philosophers: “Some people regard the former as one who knows a great deal about a very little, and who keeps on knowing more and more about less and less until he knows everything about nothing. Then he is a scientist. Then there are the latter specimen, who knows a little about very much, and he continues to know less and less about more and more until he knows nothing about everything. Then he is a philosopher.”
A Brief History of Time: From the Big Bang to Black Holes is Stephen Hawking’s bestselling popular science book, first published in 1988. Special and general relativity are covered in chapter two, which might challenge a few readers, but chapter four – while less than twenty pages long – introduces mind-bending ideas from quantum mechanics like the “spin” of quarks. Because it sold 25 million copies but contains such difficult concepts, it is often called “the most unread book of all time”. (There’s no shame in this; have another go if you like!) In 2014, American mathematician Jordan Ellenberg used publicly available data on Amazon Kindle highlighting to judge which books were abandoned partway through, a measure he cheekily called the “Hawking Index”. A Brief History of Time appeared as the third or fourth in the list.
What Does a Martian Look Like? The Science of Extraterrestrial Life was originally published as Evolving the Alien: The Science of Extraterrestrial Life in 2002. Its central thesis is that if we want to find life elsewhere in the universe, we need to broaden our understanding of the forms life might take, as our current searches only look for life similar to that found on Earth. “Jack&Ian” appears in the preface as the name of their “collective entity”, though it should be noted that the book is largely based on Jack’s often given lecture “The Possibility of Life on Other Planets”, or POLOOP, which he had originally wanted to call “What Does a Martian Look Like?”
It is generally acceptable to reference your own work in science academia…though since the frequency with which a researcher’s work is cited is a mark of respectability and influence, there have been those who perhaps do so too often…
We’ve mentioned Arthur C Clarke, famous author of 2001: A Space Odyssey and many other influential science fiction novels before. Clarke’s most famous quote, “any sufficiently advanced technology is indistinguishable from magic“, was the last of his “three laws”, added to a revised version of his 1962 essay “Hazards of Prophecy: the Failure of the Imagination” in 1973. (The other two are much less famous.) The converse law quoted in the front of the book, “any technology distinguishable from magic is insufficiently advanced“, is attributed in the first edition of The Science of Discworld to Gregory Benford – but while a version of it does appear in Benford’s 1997 book Foundation’s Fear, the original appears to have been written by Professor Barry Gehm, published in the science fiction magazine Analog as “Gehm’s Corollary to Clarke’s Third Law” in 1991.
The story from The Simpsons in which Bart messes up Lisa’s science project, creating a miniature world full of tiny people in a bathtub, is the segment “The Genesis Tub” from the Halloween special “Treehouse of Horror VII” in 1996.
We previously referred to the universes hidden inside things in the first two Men in Black films in our Truckers episode, “Upscalator to Heaven“. In the first film, aliens play with a marble which somehow contains the Milky Way galaxy, while in the sequel, our entire universe is shown to exist within a locker in an alien train station.
A microcosm is any subset of a thing which is said to represent the whole. Ben’s wordplay “microcosmos” isn’t that clever, since the word comes via Latin from the Greek mikros kosmos, which literally means “tiny cosmos”.
Ben used out of old habit he is trying to break the older LGBT acronym, which is now considered incomplete. The longer version preferred these days is LGBTIAQ+, which encompasses lesbian, gay, bi, trans, intersex, asexual and/or agender, queer and more identities. The intent of the acronym is to represent the diversity of experience outside of “traditional” binary gender and heterosexuality. While not everyone likes it or identifies with the term, “queer” is commonly used as spoken shorthand for the acronym.
The first clear fossil evidence of dinosaur feathers was found in the 1990s, and palaeontologists have only found more since then.
The luminiferous æther – not to be confused with the class of organic compounds called ether – was a proposed “medium” of some kind of matter that filled space, and explained the transmission of light waves. In 1887, scientists Albert A. Michelson (who made some of the early precise measurements of the speed of light) and Edward W. Morley (famous for measuring the precise atomic weight of oxygen) conducted an experiment to detect the motion of the Earth through the æther. It failed, leading to the end of æther theory, and paving the way for others, including Einstein’s special relativity.
There are currently 118 chemical elements that have been identified. New elements are acknowledged by a Joint Working Party formed in 1999 by the International Union of Pure and Applied Chemistry (IUPAC) and the International Union of Pure and Applied Physics (IUPAP). It can take years between the first experimental discovery and formal acceptance of a new element, as initial claims are often disputed. The most recent four were acknowledged in 2015 and officially named in 2016, but were first synthesised years earlier. In order of their first recognised synthesis, they are:
- Oganesson (Og, atomic number 118, named after Russian physicist Yuri Oganessian) in 2002;
- Moscovium (Mc, atomic number 115, named after Moscow) in 2003;
- Nihonium (Nh, atomic number 113; named after Japan, Nihon) in 2004; and
- Tennessine (Ts, atomic number 117, named after the US state of Tennessee) in 2009.
Plumbum is the Latin name for lead, which is why its chemical symbol is Pb. (This also helps distinguish it from the five other elements with names that begin with L.)
The idea that science works by disproving things was popularised by philosopher Karl Popper as falsifiability or falsificationism. Popper claimed that science worked not by looking at evidence in the world and using that to formulate laws, but by formulating laws and then testing them against reality, trying to prove them false. As Liz says, this is a lie-to-children – or at least a step in the development of the philosophy of science.
Pluto’s status had been in question since 1992, when several other similarly-sized objects were discovered in the Kuiper belt. In 2005 a bigger object, Eris, was discovered, and so in 2006 the International Astronomical Union decided to formally define what a planet was. As a result they also created the classification of “dwarf planet”, which they applied to Eris, Pluto and several other Kuiper Belt Objects.
Winter in Game of Thrones, like Summer, lasts a long but variable time – sometimes many “years”. (How they even have “years” of standard length when the seasons are like this is unclear.) Despite fan attempts to devise solar system models that might explain this, George R R Martin – author of the A Song of Ice and Fire novels on which the show is based – is on record saying there is a non-scientific explanation for the seasons that will be revealed by the time he finishes writing the series.
The term “virtual reality” had become popular by the 1980s, and the first publicly available VR arcade games and consoles as early as the mid-90s, but the technology didn’t really take off while computer graphics were incapable of producing realistic looking worlds. Affordable VR headsets and kits became viable in 2010 with the invention of the Oculus Rift, and there are now several different commercially available VR systems, the most popular being Playstation VR, released in 2016 by Sony.
The Lawnmower Man is a 1992 film very much not based on the short story of the same title by Stephen King, who sued the production company to have his name removed from posters even though they did own the film rights to the story. In the film, Pierce Brosnan plays a scientist who uses experimental drugs and VR technology to improve the intelligence of Jobe, an intellectually disabled man who works mowing lawns. Jobe becomes malevolent and “uploads” himself into “cyberspace”. It’s…look, it’s very 1990s.
The Last of Us is a 2013 videogame for the Playstation 4 set in a dystopian future America where humans and many other animals have been taken over by a mutated version of the Cordyceps fungus. Cordyceps is a real genus, though the famous example which infects ants and alters their behaviour is now reclassified as Ophiocordyceps unilateralis. The fungus causes ants to climb to the underside of leaf and grab on tight, where it dies. The fungus replaces its body tissues and grows a fruiting body out of its head to spread its spores, and what’s more it’s been doing this to poor little ants for around 50 million years or more.
The Andalite Chronincles are better known as Animorphs, which we’ve previously talked about in #Pratchat19, “It Don’t Mean a Thing if it Ain’t Got Rocks In“. The Yeerks are small parasitic aliens, and mortal enemies of the animorphs, teenagers given shapeshifting powers in order to fight back against the Yeerk invasion.
Jack&Ian coined the term “extelligence” in their first book together, Figments of Reality: the Evolution of the Curious Mind in 1997. They define it in the introduction as “the accumulating knowledge of generations of intelligent beings” and consider it “a thing or process with its own characteristic structure and behaviour” requiring a new name. The book is largely devoted to exploring it. While it’s not as clear in The Science of Discworld, both Figments of Reality and What Does a Martian Look Like? explicitly include cultural knowledge like folklore and other non-written forms of knowledge as part of extelligence.
SimEarth was originally released in 1990, and was the second game in the “Sim” series following SimCity. (The third was SimAnt, in 1991.) It wasn’t just based on James Lovelock’s work; he directly advised on the game and wrote an introduction for the manual. As well as intelligent dinosaurs, it was possible to have machine life (assuming an advanced civilisation blew themselves up), intelligent carnivorous plants, and yes, a crustacean civilisation could totally be a thing.
The short story collection about women associated with the Nobel Prize is Ordinary Matter by Australian writer Laura Elvery, published in September 2020 by University of Queensland Press.
If you’re interested in a perspective on sexism in the Nobel Prize (along with other biases), this article on Massive Science is a good starting point.
While we’re used to thinking about Discworld wizards as men and witches as women, there are exceptions. Eskarina Smith, the Disc’s first woman wizard, appears in Pratchett’s third Discworld novel Equal Rites, which we covered in #Pratchat25, “Eskist Attitudes“. Watch out for more on that front in future episodes. (No spoilers for books we’ve not covered yet!)
Mileva Marić was a Serbian physicist and mathematician. Her career in academia was interrupted by her relationship with Albert Einstein, who was her lover, husband and the father of her children. While she is not credited as a co-author on any of his work, there is evidence to suggest she may have substantially assisted Einstein in his early work, including the papers for which he won the Nobel Prize.
There are plenty of podcast episodes about the forgotten women of science, but so far we’ve not found a whole show about this. Let us know if you find one! Meanwhile some good feminist science podcasts are Lady Science and Superwomen in Science, while great more general science shows hosted by women are Ologies with Alie Ward and Talk Nerdy with Cara Santa Maria.
For books on women in science, Anna recommends Women in Science by Rachel Ignotofsky, Inferior by Angela Saini and Invisible Women by Caroline Criado Perez. You can also check out the books on the STEMMinist book club list. (As usual, we recommend sourcing them from a local independent book shop, who can order in anything you want and needs your custom more than Amazon or BookDepository.)
William of Ockham (1287 – 1347) was a friar, philosopher and theologian whose most famous contribution to what would become scientific thought was the idea that “entities should not be multiplied without necessity” – i.e. that an explanation that involves fewer things is more likely correct. This is known as the law of parsimony, or more famously, Occam’s Razor – hence the beard gag. (It should be noted that William himself used the idea to defend the idea of miracles.)
In most versions of The Hitchhikers Guide to the Galaxy, Arthur Dent and Ford Prefect end up on a space ark full of middle managers and other people claimed by their society to be the “useless” third, sent to crash into prehistoric Earth. On Earth, Arthur tries to communicate with the original inhabitants, the not-cave-people (they don’t live in caves), by teaching them to play Scrabble with tiles he makes himself. It doesn’t work. The Primary Phase of the radio series, the second book The Restaurant at the End of the Universe, and the original television series all end with Arthur and Ford trying to determine the Ultimate Question of Life, the Universe and Everything by getting the not-cave-people to pull Scrabble letters out of a bag at random.
Ben thought about including all the cancelled space missions in these show notes, but decided to save that depressing list for the separate article he might write with updates on some of the science in the book.
Humans have rarely thought scientifically about the Flat Earth. It was clear to many ancient civilisations that the planet must be round, and the first written account of the spherical Earth was in about 250 BCE by Eratosthenes and other Greeks, using geometry to mathematically prove its shape and possibly accurately calculate its size. (Jack&Ian point out that the accuracy is based on modern estimates of the unit they used, the stadion, but they are maybe a little overly suspicious.)
Flatland: A Romance of Many Dimensions is a satirical 1884 novella by English schoolteacher Edwin A Abbott. As well as considering how two-dimensional beings might experience one- or three-dimensional worlds, it is also a fairly savage satire of the Victorian class system; the sexual politics of the book are either even more savage satire, or emblematic of the sexism of the time, depending on your interpretation. Ian Stewart not only wrote a sequel, Flatterland, in 2001, but an annotated version of the original, The Annotated Flatland, in 2002 (the same year as the updated The Science of Discworld and its sequel).
Mosasaurs are now well-known to the general public after appearing in a marine exhibit in the film Jurassic World, the 2015 sequel to the original three Jurassic Park films. Two different species of mosasaur were featured in the final episode of Impossible Pictures’ Sea Monsters, a 2003 follow up to 1999’s Walking with Dinosaurs.
Listener Bel described three categories of lies-to-children:
- Protecting children e.g. “The world is a good and safe place”, stranger danger, “adults know what they’re doing”
- Simplifications e.g. there are goodies and baddies and you can tell the difference by looking at them, “this is what an atom looks like”
- Protecting adults, or “keeping the status quo”, e.g. sexism, racism, ableism, ageism and many more.
On being able to tell that a creature had hooves from its tooth, the specific instance Jack&Ian mention is of the Tingamarra tooth, which supposedly “demolished” the theory that placental mammals never made it to Australia. That call was a bit premature, since the claim is regarded at best as highly controversial and has not significantly changed the view of Australian palaeontology. It is still the consensus that the only placentals to arrive in Australia before humans were bats and rodents.
Temperance “Bones” Brennan is a fictional forensic anthropologist and protagonist of all twelve seasons of the television series Bones, which ran from 2005 to 2017. She’s played by Emily Deschanel. The television series is based on the Temperance Brennan series of novels by Kathy Reichs, which began with Déjà Dead in 1997 and, as of 2021, includes twenty novels and a short story collection. Ben is glad he missed this reference because while forensic anthropology is real – Reichs is one herself! – the show is pretty ridiculous. Bones has a hologram table! But it’s all good fun, and it gave David Boreanaz something to be cool and vulnerable in after Angel finished.
Teeth are great for palaeontologists because their enamel allows them to be preserved, and their shape and patterns of wear can be used to determine a great deal about diet and behaviour. Teeth are also very distinctive, and so you can tell a hooved animal’s tooth from that of an elephant or similar.
Liz’s joke about a creature with “don” in its name being really into “ham” is a reference to popular Australian ham, bacon and smallgoods brand Don. They are famous for their slogan “Is Don. Is good.”, coined for a series of ads in which a man spruiks their products in slightly broken, accented English before concluding with the phrase. (The same actor also plays the owner of a Gogomobil in another famous Australian ad from 1992 for the Yellow Pages phone directory. We have a lot of famous ads, probably because most of our television is otherwise sourced from the US or the UK; ad breaks were some of the rare times when you’d see Australian actors and sometimes hear Australian accents.)
To answer Liz’s questions: Are beak just giant tooth? No. Beak are is hair? …also no, but closer. Beaks are made of keratin, which is the same protein from which hair is formed. But there are two kinds of keratin: alpha-keratin is found in all vertebrates, and is used to form hair, wool and other softer but tough materials, like the outer layers of bony horns; and beta-keratin, found only in reptiles and birds, which is used to make scales, claws, feathers, shells and beaks.
Evolutionary electronics – also known as evolvable hardware – is totally a real thing, as is the circuit described in the book, evolved by Adrian Thompson at the University of Sussex in 1996. Though it hasn’t led to anything groundbreaking, the same principles can be used to make adaptive hardware that can alter itself in response to changes in the environment.
A blimp is an inflatable airship that doesn’t have any internal structure – basically a big shaped balloon held in shape by internal pressure. “Zeppelin” is the common name for rigid airships, in which the body is supported by an internal structure. Zeppelin was the name of the German aircraft manufacturer which built many of the most famous airships, including the Hindenburg. The company vanished for around fifty years following World War II, but was revived in 2001 and still operates today – including working with Goodyear to replace their older blimps with semi-rigid airships. These have a supporting keel along the base of the envelope that holds the lifting gas, but no other internal structure.

#Pratchat59 Notes and Errata

8 September 2022 by Ben Leave a Comment

These are the episode notes and errata for Pratchat episode 59, “Charlie and the Whale Factory“, discussing Pratchett’s 2005 collaboration with Ian Stewart and Jack Cohen, The Science of Discworld III: Darwin’s Watch.

Iconographic Evidence

Feast your eyes on this video of Kat’s extraordinary Pratchett shelf!

Since I was chatting to @PratchatPodcast about it yesterday, here’s my ridiculously long Terry Pratchett shelf 😄 pic.twitter.com/qVXigRlKk2
— Dr Kat Day 🏳‍🌈 🧪🐙 🇺🇦 (@chronicleflask) August 25, 2022

Notes and Errata

The episode title is of course inspired by Roald Dahl’s 1964 children’s novel Charlie and the Chocolate Factory, in which young Charlie Bucket manages to find a “golden ticket” admiring him to the magical factory of weird chocolatier Willy Wonka. We’re not entirely sure if Charlie Darwin would rather have encountered the oddities of Wonka’s factory, but he certainly didn’t seem to have enjoyed seeing the God of Evolution’s whale production line… The book was memorably filmed in 1971 as Willy Wonka and the Chocolate Factory, with Gene Wilder playing the part of Wonka, though Dahl did not like it. It was a modest success at the time, but became a cult classic in the 1980s when it was frequently broadcast on television. A 2005 adaptation using the same title as the book was directed by Tim Burton and starred Johnny Depp as Wonka, but the less said about that the better.
We discussed The Science of Discworld II: The Globe in #Pratchat47, “A Finite Number of Shakespeares“, with guest Alanta Colley. We felt afterwards we hadn’t adequately expressed all of our feelings about it, so we discussed it a bit more in episode seven of our bonus subscriber only podcast, Ook Club, released in October 2021.
We’ve previously mentioned Richard Dawkins in #Pratchat29 and #Pratchat47. His early books on evolution are good, and The Blind Watchmaker, published in 1986, makes a great companion piece to Darwin’s Watch. But in the early 2000s he became more and more focused on being anti-religion, and in 2006, a year after The Science of Discworld III, he published The God Delusion, which argued that any belief in a god was delusional. It became his best selling work. He has continued to attract controversy over the years, thanks to his large audience and his perceived position (until fairly recently) as a representative for atheists, whether they want him or not. He’s made enough problematic statements that there’s an entire Wikipedia article titled “Views of Richard Dawkins“.
Redshift is an increase in the wavelength of electromagnetic radiation, including visible light, that occurs when observing objects which are moving away from us – making the light from very fast moving objects over large distances appear redder than it truly is. This is mostly observed with the light from distant stars as the universe expands. It can happen in the opposite direction too, with the wavelengths getting shorter, which is known as blueshift. Kat mentions Terry’s use of it in Thief of Time; she also mentioned that it appears in Thud! but we cut that as we didn’t want to spoil a book we’ll be covering very soon.
You can get a good overview of Monopoly‘s history as The Landlord’s Game via episode 189 of the 99% Invisible podcast, “The Landlord’s Game“. In recent years there’s been renewed interest in Elizabeth Magie’s original 1904 game, which tried to popularise Georgism, an alternate form of land tax. You can find out way more about it at landlords-game.com. Meanwhile, if you still think the modern game is fair, check out this monopolynerd.com blog post from 2012 which breaks down the probability of getting a full set of properties through luck (i.e. landing on them and buying them, without having to trade with other players), based on turn order.
I’m You, Dickhead is officially available for free here on YouTube. Note that it really lives up to the title; there’s swearing and the protagonist truly is a dickhead.
Bees and wasps (and ants) are members of the order Hymenoptera, a group of insects that includes more than 150,000 species. Spider wasps, the parasitic wasps which prey on spiders, are in the family Pompilidae; there are around 5,000 species of them, most of which specialise in specific kinds of spider.
The telephone is usually attributed to Alexander Graham Bell, who was the first American to be granted a patent for the device in February 1876. But even at the time this was controversial; rival inventor Elisha Gray also filed for a patent the same day, and Bell’s patent was suspended for three months so the matter could be settled – which it was, eventually, in Bell’s favour. But there are plenty of good reasons to think this wasn’t entirely fair or just… (Ben didn’t mean to conflate this dispute with the War of the Currents, but they two conflicts have a very similar vibe.)
Elizabeth Fulhame was a chemist lived in Edinburgh in the late 18th century, though some details of her life are lost to history. The book from which Kat quotes is An Essay On Combustion with a View to a New Art of Dying and Painting, wherein the Phlogistic and Antiphlogistic Hypotheses are Proved Erroneous, which she published in 1794. Catalysis, which she describes in the book, is the now commonplace practice of speeding up a reaction between two chemicals by using a third substance, a catalyst, which isn’t affected by the reaction.
Kat is remembering The Science of Doctor Who, which did indeed star Brian Cox and was broadcast on BBC Two in November 2013 as part of the programme’s fiftieth anniversary celebrations… Which means Ben has it one the Blu-Ray box set he has of all those anniversary specials!
We’ve previously mentioned the cellulose billiard balls way back in #Pratchat1, “Boots Theory” (about Men at Arms), and #Pratchat10, “We’re Gonna Need a Bigger Broomstick“ (about Moving Pictures). The 99% Invisible episode about the invention of cellulose mentioned by Ben is The Post-Billiards Age from May 2015, which we also mentioned in both of those episodes.

More notes coming soon!

Thanks for reading our notes! If we missed anything, or you have questions, please let us know.

#Pratchat47 Notes and Errata

8 September 2021 by Ben Leave a Comment

These are the episode notes and errata for episode 47, “A Finite Number of Shakespeares“, featuring guest Alanta Colley, discussing the second collaboration between Terry Pratchett, Ian Stewart & Jack Cohen: 2002’s The Science of Discworld II: The Globe.

The episode title is a reversal of the “infinite monkey theorem”, which states that an infinite number of monkeys typing randomly on typewriters will “almost surely” eventually produce the complete works of Shakespeare. In this book, a single Shakespeare eventually (after much tampering with history) produces a species descended from monkeys that can invent and use typewriters – modern, storytelling humans.
The most recent Sci Fight, “Should we upload our brains into the cloud?”, was held online on Thursday, 12 August 2021. The debate is available on YouTube, and was part of Melbourne Science Gallery‘s exhibition “MENTAL“.
You can find out more about Alanta’s comedy shows, including Parasites Lost, at alantacolley.com.
Melbourne’s six lockdowns began with two in 2020 – March 29 to May 12 and the big one, from July 9 to October 26. There have been four in 2021: from February 12 to 17; May 28 until June 10; July 16 to 27; and the current one, which began on August 5 and is not expected to end until the Victorian population reaches an 80% vaccination rate, estimated to happen by December.
We covered The Science of Discworld a year ago in #Pratchat35, “Great Balls of Physics“, with guest Anna Ahveninen.
Alanta makes the reasonable assumption we’ve had “forty-six prior guests” – but, thanks to a few repeat offenders and some double-guest episodes, the actual count to date is forty (including Tansy Rayner Roberts in our first live bonus episode).
Douglas Adams’ famous love of long baths was a trait he passed on to the Captain, a character who appears at the end of most versions of The Hitchhikers’ Guide to the Galaxy, commanding his starship from the bath. You can read about his bath habit – er, Adams’, not the Captain’s – in this great piece by his friend Jon Cranter for The Guardian.
The photo of Pratchett with Jack and Ian was taken at Warwick University – where Jack and Ian were both researchers – on July 14, 1999, just after he made them honorary wizards of Unseen University, and the University made him a Honorary Doctor of Letters. (The photo from the book is different, but you can see another one in this article from the time on the Warwick University website.) This was the first of Pratchett’s ten honorary degrees, which we listed in the notes for #Pratchat27.
The History and Philosophy of Science is a distinct humanities discipline, combining the study of both…er…the history and the philosophy of science. It arose from the fact that the philosophy of science has been primarily studied from an historicist perspective: deducing what it is and how it works by studying the history of its development.
Mustrum Ridcully famously has no time for meetings or long explanations; in Reaper Man it is explained this way:

…it took him several minutes to understand any new idea put to him, and this is a very valuable trait in a leader, because anything anyone is still trying to explain to you after two minutes is probably important and anything they give up after a mere minute or so is almost certainly something they shouldn’t have been bothering you with in the first place.
Terry Pratchett, Reaper Man (1991)

On another look, Ben isn’t really sure why he was confused about how the wizards end up on Roundworld; Ridcully explains to Ponder in Chapter 5 that the elves passed through Discworld to get into Roundworld, and he and the faculty were caught up in the “trans-dimensional flux” (Ponder’s words, obviously). They landed in London because Dee had made a magic circle – Hex further explaining that while magic doesn’t work in Roundworld, it can create “passive receptors” for outside magic to connect to, as with the crystal ball he uses to communicate.
The other Discworld element (or substance, at least) Ben couldn’t remember the name of is “deitygen“, which Ridcully says is known to be produced by intelligent beings. While Narrativium is the most important element on Discworld, the world itself is said in The Truth to be composed of Air, Earth, Fire and Water – though there is also an important fifth element: Surprise.
Mind-body dualism is the idea that the mind is a non-physical substance, i.e. that mind and matter are not the same kind of thing. There are several different flavours of this philosophy. Cartesian dualism, more generally known as substance dualism, is the one discussed in the book; others are subtly different, suggesting that while there are the mind is distinct, it is not a different type of substance to ordinary matter. (Note that when we say “substance” here, we mean it in the philosophical sense that encompasses all things.)
Spontaneous Human Combustion is the idea that sometimes humans just burst into flames without any apparent external cause. It’s not taken very seriously these days, and critics and researchers – most notably science investigator Joe Nickell and forensic analyst John F. Fischer – have found that in most cases there were likely sources of flames near victims which were overlooked and not reported in popular accounts.
The bit in the book about humans being unable to imagine being a dog or a bat is in Chapter 26, “Lies to Chimpanzees”.
Liz read about the babbling baby bats in this article from the New York Times, though many new outlets picked up on this research about greater sac-winged bats (Saccopteryx bilineata), published in Science by Dr Ahana Fernandez and her team. This video from Science magazine gives you the short version.
That birds learn songs from their parents was first observed (in scientific terms at least) in the 1950s, when British ethologist Peter Marler noticed that chaffinches sang different songs in different parts of the country. His work showed that some birds are innate singers, while others learn their songs from their parents, creating regional differences or dialects. This has since been observed in many bird species.
Jack and Ian have written many other books, separately and in collaboration. Ben mentioned What Does a Martian Look Like? (aka Evolving the Alien) in #Pratchat35. On a related note, Ben spotted that in his first edition of The Science of Discworld II, in chapter 10, the authors introduce the idea of an elf visiting Earth in the distant past and observing our ancestors; this visitor is mistakenly referred to as a Martian several times afterwards, leading Ben to wonder if this was text originally written for the other book…
Ben previously mentioned Flatland and Ian Stewart’s sequel, Flatterland, in #Pratchat35. The science that Ben thought Ian did a particularly good job of explaining was string theory – the branch of physics that seeks to explain discrepancies between classic and quantum physics by saying that fundamental particles are not actually tiny points, but strings which exist in higher dimensions, and we only see the point that pokes into our three. (That’s a lie-to-Pratchat-listeners, but it’s on the right track; see chapter 16 of Flatterland, “No-Branes and P-Branes”.)
Dr Randolph M. Nesse is currently a Research Professor of Life Sciences at The Center for Evolution and Medicine at Arizona State University, and Professor Emeritus in the Departments of Psychiatry and Psychology, and the Institute for Social Research, at the University of Michigan. You can read a summary of his views on altruism and social selection – another kind of “group selection” in biology, where social groups who may not be closely related work together to survive – on his website here, with links to his articles on the subject, though he does not include the 1999 Science and Spirit piece cited in chapter 20 of The Science of Discworld II, “Small Gods”. He also wrote a book about commitment (as discussed the book), Evolution and the Capacity for Commitment, in 2001. Notably, though, he seems to have concluded that commitment offers only “a limited explanation for some special kinds of altruism … it did not offer the more general kind of explanation I wanted.” He refers to the work of Mary Jane West-Eberhard, who has studied altruism in animals, when discussing where his own work is heading.
Evolutionary medicine (including evolutionary psychiatry) is the scientific use of evolutionary biology to understand and treat diseases. It complements the standard “proximate” approach of looking for problems in an individual by looking at evolutionary explanations for why all humans have the potential to develop certain diseases. Randolph Nesse is a recognised leader in this field; his books on the subject include Why We Get Sick and Good Reasons for Bad Feelings. Evolutionary psychology is a similar approach to psychology, but while the idea behind it is sound, it suffers many of the testability and ethnocentric problems as regular psychology. Shallow interpretations of evolutionary psychology have also been used to prop up many harmful ideas, especially in terms of gender roles. Noam Chomsky, noted linguist and political activist, thinks evolutionary psychologists often ignore evidence that doesn’t support the political status quo.
The “Galaxy Song” – not “Universe Song”, though to be fair the name of the song is only mentioned in album liner notes – was originally written by Eric Idle and John du Prez for the 1983 film Monty Python’s The Meaning of Life. In the film, a medic (John Cleese) trying to convince a woman (Terry Jones) to donate her liver for a “live organ transplant” opens a door and a man (Eric Idle) steps out to accompany her through the universe while singing the song, making her feel small and insignificant enough that she agrees to the transplant. An updated version (“The Galaxy DNA Song“) was used for astrophysicist Brian Cox’s TV series Wonders of Life in 2012, and in 2016 another updated version appeared in the two-hour television program The Entire Universe Show, also hosted by Cox. It wasn’t included in any of the Python stage musicals, but an updated version did appear in the stage show Monty Python Live (Mostly) in 2014, including a video cameo by – you guessed it – Brian Cox, but also…someone else whose appearance we won’t spoil. The original is actually pretty good for the time – if you assume facts are rounded to the nearest singable number, then it gets several figures pretty close to correct. Liz may have quoted the speed of light to her teacher: the song gives this as “twelve million miles a minute” – not far off an accurate figure of 11.16 million miles per minute, though scientists would normally express it in round numbers as a bit under 300 million metres per second (299,792,458 m/s, to be more precise).
We’ve previously mentioned the 1994 film The Shawshank Redemption many times. The most significant discussions of it appear in #Pratchat14 and #Pratchat28, but we most recently talked about it in #Pratchat38 – so Ben is way off when he says we haven’t talked about it for “about 30 episodes”. (Though, given how long the last year or two has felt, we’ll give him a pass on this one.)
The history of the idea that storytelling makes humans unique goes back to at least the 1967, when the name Homo narrans was coined by German ethologist Kurt Ranke. American communications scholar Walter R Fischer used it in his later work, in which he also codified the “narrative paradigm” – the idea that all significant communication occurs through storytelling. (Pan narrans seems to be a unique contribution from Jack and Ian.)
Tom Stoppard’s Arcadia was first performed in 1993 at the Royal National Theatre in London, with a cast that included Rufus Sewell, Felicity Kendall, Bill Nighy and Emma Fielding. It is set in an English manor house belonging to the Coverly family, and happens in two time periods: in the present, two rival academics are researching the mysterious history of the house’s previous inhabitants at cross purposes, while one of the Coverly siblings is doing biology research. In the past of 1809, young lady of the house Thomasina Coverly has some advanced ideas about science and mathematics, while her tutor is caught up in drama with the house’s visiting poets. (Ben played the modern-day scientist, Valentine Coverly.)
The book Ben read about chaos theory was Chaos: Making a New Science by James Gleick. It should also be clarified that it was the play that was about complexity not chaos; the book is definitely about chaos.
The Luggage’s legs were the subject of much discussion in previous episodes; way back in #Pratchat14, when we discussed its debut in The Colour of Magic, we wondered if anyone had tried drawing it with non-human legs. It is described in the first two books only as having “little legs”, without any reference to them being human-like, or their colour, leading us to make a callout for fan art depicting them as…well, anything else! Josh Kirby has always drawn them as human-like, and made them white-person flesh coloured, despite the fact that the Luggage’s wood is a darker colour. We suspect this influenced Pratchett’s own image of the Luggage, and its next appearance in Sourcery is the first time it has “little pink legs”.
Hobbits, also known as halflings, are a kind of people found in the writings of J. R. R. Tolkien. They look like humans, but grow only to about three feet tall (hence the name), with slightly pointed ears. Aside from their size, their main difference from humans is their feet: they have extremely tough soles, and the ends of their legs from their ankles down, as well as the tops of their feet, are covered in thick curly hair to keep them warm. As a result, hobbits do not wear shoes. Clearly these sort of feet would suit the Luggage well!
John Dee (1527 – 1609) was, as described in the book, a real historical figure. An English mathematician, occultist, astronomer and astrologer (the two being far more closely linked back then), he advised Queen Elizabeth I, and is – unfortunately – credited with coining the term “British Empire”. He had one of the biggest libraries in England in his day, giving the wizards a handy portal into L-Space. In his later life, he found public opinion turning against sorcery, and while he was abroad much of his library and possessions were stolen, destroyed or burned. Once Elizabeth was dead, her successor James I had no interest in helping Dee, and he died in poverty in 1608 or 1609 at his home in Mortlake. He has been a popular character in works of fiction, though Ben is mistaken to think he has often been a villain; he’s perhaps confusing him with Doctor Destiny, a supervillain who appears in the Sandman comics by Neil Gaiman, and whose real name is John Dee, but is not meant to be the same person.
Stephen Pinker – a long-time defender of evolutionary psychology, it turns out – published The Language Instinct in 1994, well before The Science of Discworld II. The book not only argues that language is an innate trait possessed by humans, but also tries to debunk many commonly-held beliefs about language. It has been criticised for presenting too strong a view about how much of human behaviour can be explained by innate, biologically evolved instinct.
Swedish supergroup Abba reunited for performances in 2016, in the wake of the smash hit Mama Mia, a stage and film jukebox musical featuring their songs. They announced that year that they were working on new music, and a new “digital entertainment experience” featuring “ABBAtars” of the band – digital avatars of the group which would look like their 1970s selves, and which would somehow appear in concert. Two announced singles, and the ABBAtar experience, were delayed multiple times, but in August 2021 they announced Voyage, their first new album since 1981’s The Visitors. The album was released on September 2, 2021, and pictures of the band in motion capture suits – the lycra numbers with little ping-pong balls attached – accompanied many articles and made the rounds on Twitter. (Here’s the BBC one.)
Ponder and Ridcully argue about evolution in The Last Continent and The Science of Discworld, and to be fair, evolution only seems to work on the Disc on one island in its distant past, where is it the work of the God of Evolution. (See #Pratchat29 for our discussion of that!)
When Liz says “We’ve gotta Back to the Future this“, she is specifically speaking of the scenario in Back to the Future: Part II, where Marty’s carelessness allows villain Biff Tannen to go back in time and give his young self a book containing future sports results, allowing him to take over the town and run a hugely successful (and, it’s implied, criminal) business empire out of a casino. Marty and Doc have to go back in time and set history on its proper course.
Thief of Time (to be discussed in #Pratchat48) was published on the 1st of May, 2001 – a year and a day before The Science of Discworld II! It wasn’t the most recent Discworld book at the time of the latter’s release: in between, Pratchett published The Last Hero (a large-format illustrated book, published in October 2001) and The Amazing Maurice and His Educated Rodents (the first younger readers Discworld novel, published in November 2001; see #Pratchat33). But Thief of Time was the most recent “regular Discworld novel for adults”, and in fact its first paperback edition was published one year after the original hardcover – the day before The Science of Discworld II.
Night Watch is the twenty-ninth Discworld book, and the sixth of the eight City Watch books. It remains one of the most popular of the entire series. Our current plan is to discuss it for #Pratchat50 – unless you have a better idea!
Liz’s speech referencing free will (or the lack of it) was given at the last Sci-Fight she participated in, on the 20th of May, 2021. The topic was “Scientists Go to Heaven”, and Liz was (perhaps surprisingly) on the affirmative team.
Liz has said “Time is a flat circle” on a number of occasions, beginning way back in #Pratchat5; this is Ben’s first time. It refers to the idea of “eternal return” – i.e. that time repeats itself – and is specifically a reference to the first season of the television series True Detective.
Loki is a Disney+ series and part of the Marvel Cinematic Universe. In the series, a version of the trickster god Loki – as seen in the films Thor, The Avengers and others – is lifted from existence when he becomes a “variant” – a version of someone who strays from the single set of events enforced as the “sacred timeline” by a mysterious organisation known as the Time Variance Authority.
“A Bathing Ape” – or BAPE for short – is a fashion brand from Japan founded in 1993, now owned by Hong Kong fashion conglomerate I.T Group. You can see the kind of stuff they sell on their website.
The aquatic ape hypothesis is, at best, highly controversial among anthropologists. It was first suggested by marine biologist Alistair Hardy in 1960, though he described it as a “rough guess” rather than a serious theory, and according to some accounts was mortified at the sensational media attention it received at the time. It was popularised in part by Welsh television writer Elaine Morgan in her 1972 book The Descent of Woman, which challenged the highly gendered stories of human evolution – in particular the focus since the 1950s on early humans hunting and gathering, excluding the previously thought just as important activity of fishing. After receiving general acclaim for the book but criticism for the aquatic ape portion, she later published an entire book devoted to the idea, 1982’s The Aquatic Ape. The theory has been defended by many, including philosopher Daniel C Dennett (who has also suggested that both Morgan and her opponents go too far) and David Attenborough. The later seafood theory of human brains, espoused by Michael Crawford and David Marsh in their 1989 book The Driving Force: Food, Evolution and The Future (as mentioned in Chapter 8, “Planet of the Apes”), was not taken especially seriously either. All that said, there’s always room to challenge the status quo, especially if the dominant stories it supports seem to suspiciously uphold modern ideas about gender roles. So far, though, the fossil record doesn’t support the idea that early humans spent most of their time on the beach, so at best, the jury is still out.
It’s worth noting that the updated 2002 edition of the first The Science of Discworld also talks about the aquatic ape hypothesis and the importance of seafood in brain development – and goes another step further. In chapter 42, “Anthill Inside”, they mention that the savanna hypothesis is also in trouble from evidence that some areas where early human fossils are found weren’t savanna back when those humans died – they were woodlands. This is an ongoing question, and the savanna hypothesis – while still the dominant idea in the public consciousness – is described as controversial by some palaeoanthropologists and palaeobotanists, with interpretation of the habitat at that time seemingly still a bit in question.
The so-called “paleo diet” – short for palaeolithic diet – is, like most diets, a fad, in this case supposedly emulating the diet of our palaeolithic ancestors. Though versions of the idea go back at least as far as 1890s, gastroenterologist Walter L. Voegtlin really made it popular with his 1975 book The Stone Age Diet, which claimed humans ate very little other than meat up until 10,000 years ago and recommended modern humans do the same. It saw a revival at the start of the 21st century – when The Science of Discworld II was published – and the new name was seized by health scientist Loren Cordain with her 2002 book The Paleo Diet. (She also owns the copyright on that name.) While some of the recommendations of the diet probably are good for you, there’s not much in the way of proper research into the amazing health benefits Cordain and other proponents claim – and, for that matter, there’s not that much detail available about what our ancestors actually ate, either.
Neanderthals were a sister species to (or perhaps a subspecies of) modern humans; they are given the name Homo neanderthalis (or Homo sapiens neanderthalis if you think of us as Homo sapiens sapiens). They are named after the Neandertal valley in Germany, where their first fossils were found, and lived mostly in Europe until around 40,000 years ago. In the last few years, evidence has been found in Spain that Neanderthals – who lived there before modern humans – made forms of cave art, suggesting they may have been more sophisticated than the unflattering ideas given of them via the “Ugs” in Science of Discworld II.
Tool use in animals has been observed in many species, including monkeys, dolphins, birds (especially crows), and yes, octopuses. There’s some debate about what counts as a “tool”, but some animals do modify objects they find in the environment to suit their purposes; this includes crows and octopuses.
Octopuses can indeed get out of jars, as evidenced by this viral video from 2010 which did another round of the Internet in 2014. Though it should be noted that while the octopus does unscrew the lid from inside the jar, she seems perfectly happy to stay inside it.
We haven’t yet found a good source for the idea of fish returning to the location of their ancestors every four generations, but don’t confuse it with the four-generation cycle of history, which is another name for Strauss–Howe generational theory.
Robust and gracile are terms mostly used to describe two broad groups of species of our ancestor genus Australopithecus. While the concept does appear more broadly in biology, it seems much less common.
The three kinds of elephant are the African bush elephant, the African forest elephant, and the Asian elephant (referred to in the book as the Indian elephant). Genetic analysis suggests that the two African elephant species diverged more than 2.5 million years ago – the same kind of timeframe as the divergence between woolly mammoths and Asian elephants.
Let’s talk about that claim about the huge number of illegitimate children. In chapter 12, “Edge People”, Jack and Ian say “In English society, about one child in seven” are in the position that their “legal and biological parentage differ”. This is based on Elliott Philipp’s analysis of blood groups in the late 1960s, published in 1973. Blood typing was the standard form of paternity testing before DNA fingerprinting techniques were refined in 1980s, and it is pretty good at determining that someone can’t be someone’s parent – you have to get the genes for your blood type from your parents, after all. Unfortunately we have no way of checking these numbers because we can’t find the study, or any writing about it (or similar ones in the United States, for that matter). It doesn’t instil us with confidence that the book’s authors seem to have misspelled the author of the study’s name – they name “Elliott Philipp”, who we think is probably Elliot Elias Philipp (1915 – 2010), a gynaecologist and obstetrician from Stoke Newington in London, though his official biography doesn’t mention this study. In any case, the figure of “one in ten” is popularly accepted, and was the result of the surveys they cite, but they correct for the fact that an unknown father has a reasonable chance of having the same blood type as the supposed father, leading to their figure of 13-17%, or roughly one in seven. There are other figures; while there’s not as much literature about this as you might expect – or at least not any that’s easily accessible to a lay researcher – we found that a study by University of Leicester in 2009 using a survey of genetic markers in nearly 1,700 British men suggested the real figure is probably closer to one in twenty-five. Here’s a BBC article from the time – note that the Leicester researchers don’t seem to be aware (or at least, don’t mention) Philipp’s study as a possible source of the one-in-ten assumption.
Mitochondria are the “organelles” responsible for most of the generation of Adenosine triphosphate (ATP), the main source of chemical energy in cells. They are found in most cells of eukaryotic lifeforms on Earth. (An organelle is a distinct sub-structure that fulfils a specific function – so the cellular equivalent of an organ in the body.) The dominant theory is that they were once separate single-celled organisms that were absorbed and incorporated into the body of our single-celled ancestors millions of years ago. Supporting this is the fact that mitochondria have their own DNA. It’s been long thought that children only inherit the mitochondrial DNA (mtDNA) of their mothers, hence the idea of “mitochondrial Eve” – the woman from whom all modern humans inherited their mitochondria. As the book points out, this doesn’t mean there was only one woman, only the others alive at the time do not have any surviving direct female-line descendants (they could have direct descendants, but if they or their following generations only had male children, then they would have inherited another line’s mtDNA). And, as modern lines end – i.e. as women now live and have no daughters – the specific woman in question would change. More recent genetic studies from 2013 have suggested the most recent mitochondrial Eve would have lived around 155,000 years ago, about twice as far back as the estimate current at the time of The Science of Discworld II. Of note is that since at least 2018, researchers have discovered that humans can inherit some of their mtDNA from their fathers, though this seems very rare and doesn’t seem to have left a significant mark on the human genetic map.
The Richard Dawkins book Ben mentions is The River Out of Africa, which uses the metaphor of a river to represent the flow of humans – or at least human DNA – out of Africa and across the world.
The Biblical story discussed in the book, in which the Israelites agree to let the Hivites join their tribe if they get circumcised but then murder them all, is the story of Dinah and Schechem, from the book of Genesis, chapter 34.
The early version of “Sleeping Beauty” to which Liz alludes is known from its earliest written version, “Sun, Moon, and Talia”, by Italian author Giambattista Basile in his 1634 book, the Pentamerone. Rather than being waken by a handsome Prince, the magically cursed princess Talia is discovered by a king, who…look, we’ll let you look it up. It’s not okay.
Cinderella’s slippers might be described as being made of “fur” in earlier versions, but this doesn’t seem to be an allusion to what Jack and Ian are talking about. Rather “squirrel fur” was one of a number of luxury materials that a common would never be able to afford or allowed by the conventions of status to wear. Many sources we found about this debunk the idea that it’s a mistranslation of an earlier version. The famous source of the modern version, Charles Perrault’s “Cendrillon ou la petite pantoufle de verre” (“Cinderella; or, the Little Glass Slipper”) uses the unambiguous phrase “pantoufles de verre” (“glass slippers”) many times. We will also note that Ben is wrong about the story always being about shoes – sometimes the item that helps identify the mystery woman is a ring. The earliest written version, in Chinese, does feature gold shoes.
The name Rumpelstiltskin actually derives from the German name Rumpelstilzchen. As Ben mentions, this is the name of a type of goblin – a noisy one who walks with a limp, in fact – and loosely translates as “little rattle stilt”. It seems to come from the old German children’s game, Rumpele stilt oder der Poppart, which one source described as “like duck-duck-goose except instead of a goose there’s a goblin, and instead of a duck there’s a man with a limp”. The goblin player would rattle and bang on things. (Sadly it seems others also think there’s a phallic interpretation for the story, though it doesn’t seem to be an explicit part of the tale in any version we can find.)
Ilona and Peter Opie published many books; the ones relevant to this discussion are 1959’s The Lore and Language of Schoolchildren, and 1974’s The Classic Fairy Tales, which contained twenty-four stories as they first appeared in English, with a literary history.
We’ve mentioned the various folk tale indices in our show notes on previous occasions; the big one Ben usually refers to is the Aarne–Thompson–Uther Index (ATU Index), though there are others. Like the Dewey Decimal System, the idea is that stories with closer numbers are more similar, or at least share significant traits. Both Rumpelstlitskin and Cinderella are in the 500s, the grouping known as “Supernatural helpers”. Rumpelstiltskin is the main example of ATU type 500, and Cinderella is the “persecuted heroine” subtype of 510A, “Cinderella and Cap o’ Rushes”.
The high school physics experiment Ben mentions is still done in high schools today. It uses a “ticker timer”, which is basically an electromagnet which, when attached to an AC power supply, turns on and off, causing a metal strip with a point on it to vibrate up and down at a fixed speed. It has a bit of carbon paper under the metal strip, so when the strip moves down it will make a mark with the carbon on paper underneath. In the experiment, you feed a strip of ticker tape through some guiding holes under the metal strip; by attaching one end of the tape to a block of wood with wheels on it, it can be dragged through, and by measuring the distance between the dots on the tape you can measure the speed at which the truck is moving. Ben was happy to discover that searching for “ticker timer” on YouTube brought up a number of high school physics teachers (many of them in Australia) explaining the demonstration to their students – some of them even from the Before Times!
The horse galloping photography experiment was to determine whether a horse always has one foot on the ground when trotting. It was undertaken by famous American photographer Eadweard Muybridge for Leland Stanford, former Governor of California, as mentioned in the book in chapter twenty-two, “The New Narrativium”. While the story of this settling a substantial bet is popular, some historians say there’s no evidence it’s true. The two men later had a falling out when Stanford published a book about horse movement containing illustrations based on Muybridge’s photographs but giving him no credit, costing Muybridge some research funding.
Rincewind’s deep love (or indeed lust) for potatoes was first explored while he was marooned on an island at the beginning of Interesting Times.
We’ve previously mentioned Jasper Fforde in #Pratchat25 (Equal Rites), #Pratchat31 (The Long Earth) and #Pratchat35 (The Science of Discworld), as well as the second episode of our subscriber bonus podcast, Ook Club. Thursday Next is the star of his most famous series of novels, beginning with The Eyre Affair; she works for the Special Operations Network department 27 ((or SpecOps, or specifically SO-27, for short), the Literary Detectives or “LiteraTecs”. Not only is literature incredibly important in her alternate history 1985 – “WillSpeak” machines are common coin-operated vending machines which recite lines from his plays and poems – but the lines between fiction and reality are very thin, allowing her to pass into the “BookWorld” and enter the plots of well-known novels. Her father has long since disappeared, but he worked for SO-12, the ChronoGuard, tasked with protecting the timeline from paradoxes and other tampering. As a result, Shakespeare and time travel are at least minor elements (an often much more significant ones) in most of the Thursday Next novels.
Liz claims no-one knows when Shakespeare was born, or what his life was like, or who he was…some of which is true. We don’t know when he was born, but we do know he was baptised on the 26th of April, 1564; his birthday is usually celebrated on April 23, which is also the date on which he died in 1616, aged 52. We also known he was married to Anne Hathaway on the 27th of November 1582, but there’s little detail recorded of his life until he begins to make his mark on the theatre scene in 1592, when he was roasted in print by rival playwright Robert Greene. As to his identity, while no end of scholars have made themselves famous with alternative theories about his identity and very existence, at least half of the Pratchat team subscribes to the simplest theory: that he was just one guy, named William Shakespeare.
Doctor Who featured Shakespeare in the 2007 episode “The Shakespeare Code”, when the Tenth Doctor and his companion Martha Jones visit the Globe to see an original Shakespeare production and discover alien witches are influencing both Shakespeare’s play and the Globe theatre for their own ends. Doctor Who had mentioned Shakespeare several times in the classic series, implying (but never showing) that the Doctor had met him on more than one occasion.
Ben makes an unintentional pun when he says that “Shakespeare is kind of your biggest Touchstone” – Touchstone is the name of a fool, one of the major characters in Shakespeare’s comedy As You Like It.
The author who suggested Western-style science requires monotheism, which is why it didn’t develop in China was British biochemist, historian and sinologist Joseph Needham (1900-1995). A noted scholar of Chinese history and philosophy of science, he wrote many books, but Jack and Ian specifically mention “his truly gigantic History of Science in China“. His work was so influential that in history circles, the question of why China had been overtaken by the West in scientific terms, despite being centuries ahead with many of the most important inventions, is known as “the Needham Question”. Needham has been criticised for being perhaps biased in China’s favour, however, and there are many other hypotheses that have been put forward to answer the Needham Question.
We hope you enjoy the seeming non-sequitur when Liz says “On the space elevator, on the way to the banana planet“; this is a result of a previous bit where Ben gave an entirely incorrect (and thus cut) account of how banana plants move up hills, and Liz deciding that when they get to the top they build a space elevator and leave the planet.
The Milgram experiment, conducted by Yale University psychologist Dr Stanley Milgram in 1961 and published in The Journal of Abnormal and Social Psychology as “Behavioural study of obedience” in 1963, remains one of the most famous psychology experiments of all time. As the subjects were filmed – and that footage used by Milgram to capitalise on his fame by using it in a 1974 film titled Obedience – it has been shown to students of psychology and the history and philosophy of science for decades. But like many similar experiments from the time, it has since come under a great deal of scrutiny. In 2013, Australian psychologist Gina Perry published Behind the Shock Machine: The Untold Story of the Notorious Milgram Psychology Experiments; with access to all Milgram’s original papers and documentation, she felt that his methodology and the the quality of the experiment was highly questionable. Even those who think the experiment holds up – and it has, despite ethical objections, been repeated in various forms, even as recently as 2007 – many others question the conclusions that have been drawn from the results. This great piece by Cari Romm for The Atlantic from 2015 is a great primer on the legacy of the experiment, and more recent criticism.
As Ben mentions, if you’re a subscriber, keep an eye out for the next episode of the Ook Club bonus podcast – he has a few more things to say about this book!
The expression Bojack Horseman has ruined for Liz is “Fool me once, shame on you; fool me twice, shame on me.” Many sources trace its origin back to a version found in The Court and Character of King James, written by Anthony Weldon in 1650, though some suggest a similar sentiment appears in “The Embassy to Achilles” in Homer’s The Iliad – or at least its English translation by Alexander Pope, published between 1715 and 1720. (Having had a look, that latter attribution seems a bit of a long bow.) Bojack Horseman is a Netflix original animated series about depressed and self-hating anthropomorphic horse actor Bojack Horseman. In the first season’s fourth episode, a number of characters are unable to recall the expression correctly. This echoes former US President George W Bush, famous for his “Bushisms”, who also mangled it; here’s a little collection of his gaffes that includes that one, from a speech given on September 17, 2002 in Nashville.

#Pratchat19 Notes and Errata

8 May 2019 by Elizabeth Flux Leave a Comment

These are the show notes and errata for episode 19, “It Don’t Mean a Thing if it Ain’t Got Rocks In” featuring guest Fury, discussing the sixteenth Discsworld novel, 1994’s Soul Music.

The episode title puns the title of Duke Ellington’s 1931 jazz standard “It Don’t Mean a Thing (If It Ain’t Got That Swing)”, which has been recorded dozens if not hundreds of times over the last 90 years.
The Valhalla Cinema was a cinema in Melbourne which specialised in audience participation films – and in its early days you had to bring your own seats. Opening in 1976, it later relocated to Westgarth and changed names. The Wikipedia entry has a charming story about a rather eventful screening of The Blues Brothers – though we doubt that this was the one that Pterry attended (if, indeed, he attended at all).
Look, the French Foreign Legion have a long and storied history, but in popular culture they are the go-to reference for the group you join when you want to get well away from your old life. Brendan Fraser’s character in The Mummy? French Foreign Legion.
Why are denim trousers called jeans? They’re named after the city of Genua, where the original fabric was manufactured. Read more about their history here. We know; we hoped they would be named after Gene Wilder too.
Rebel Without a Cause is one of James Dean’s most famous films and is often credited with kicking off the idea of the teenager.
Arthur Daley is a character from Minder, a British comedy-drama series that ran from 1979 to 1994.
Animorphs, first a book series, later adapted into a TV show, followed the adventures of a group of friends who had been given the power to morph into different animal shapes in an attempt to fight back against a secret alien invasion on Earth. Their enemy were the Yeerks – a parasitic species which would occupy the body of a host and control them.
Is Sioni bod da real Welsh? According to the Annotated Pratchett File: “‘Bod Da‘ is Welsh for ‘be good’. Ergo, ‘Sioni Bod Da‘ = ‘Johnny B. Goode’.”
“The Day the Music Died” is the name given to the tragic day where musicians Buddy Holly, Ritchie Valens and “The Big Bopper” J.P. Richardson were killed in a light aircraft accident. Both Holly’s wife and mother heard the news from media rather than authorities (his wife, Maria Elena, via a TV report and his mother via the radio). His mother collapsed at the news, and Maria Elena shortly afterwards had a miscarriage. This series of events led to the development of a policy for proper notification of victims’ families. The events of the day also inspired Don McLean’s song “American Pie”.
There have been at least two Dalek invasions of contemporary Earth in Doctor Who.
The natural human preference for length of day is a subject of much debate. Some studies showed that the human circadian rhythm, when absent of outside stimuli like light and knowledge of time skewed more towards 25 hours, but later studies dispute this. Need more people to volunteer to sleep whenever they want for further study? We’re available!
Two-up is a traditional Australian gambling game. A designated “spinner” throws two coins into the air from a special paddle or board called a “kip”, which has recesses to hold the coins. Players bet on which way the coins will land: obverse (both heads), reverse (both tails) or “Ewan” (one of each). It’s often played on ANZAC Day, when it is officially legal (at least in NSW), as it was very popular among soldiers during World War I. Modern games still often use old pre-decimalisation pennies from a significant year like 1915, the year of the Gallipoli campaign.
According to the Stratocaster Guide, Keith Richards once said “The Strat is as sturdy and strong as a mule, yet it has the elegance of a racehorse. It’s got everything you need, and that’s rare to find in anything.” Basically? They’re the quintessential cool guitar.
In the TV series Gilmore Girls, Dean and Jesse are, respectively, Rory Gilmore’s first and second boyfriends. Dean is an absolute garbage heap of a human being which only becomes more apparent as the show progresses. Jesse is marginally better, but improves. In the end it doesn’t actually matter though as the re-boot proves that Rory herself is actually the worst of them all.
Popular Scottish indie group Belle & Sebastian got their name from tbe book and television series with the same title. The story of a boy and his dog, their namesake is about as charming as the music they produce.

#Pratchat17 Notes and Errata

8 March 2019 by Ben Leave a Comment

These are the show notes and errata for episode 17, “Midsummer (Elf) Murders” with guest author Nadia Bailey discussing the fourteenth Discworld novel, 1992’s Lords and Ladies.

The episode title references the long-running, much beloved and extremely twee crime drama Midsomer Murders, which debuted on ITV in 1997 and is still running, 21 series later. It’s based on the Chief Inspector Barnaby books by Caroline Graham in which first Tom Barnaby, and later his cousin John Barnaby, solve murders in the fictional, sleepy English county of Midsomer, which after 124 episodes is now often joked to be the murder capital of Great Britain.
There are two examples of Steven Moffat writing women who marry men who follow them around in Doctor Who – first in his most famous episode, Blink, and then in the Christmas special The Doctor, the Widow and the Wardrobe. There are similar behaviours in his other work, going all the way back to Press Gang.
We previously mentioned The Craft in our Witches Abroad episode, but it’s worth mentioning here that one of its stars, Fairuza Balk, made her major screen debut in another film referenced this episode: Return to Oz (see below).
The Last Unicorn (1982) is an adaptation of the 1968 fantasy novel by American writer Peter S. Beagle, and has a pretty star-studded voice cast including René Auberjonois, Alan Arkin (who plays the incompetent magician Schmendrick), Jeff Bridges, Mia Farrow (who plays the titular unicorn), Angela Lansbury and Death himself, Christopher Lee! It has music written by Jimmy Webb, including songs performed by the band America.
Narnia is a fantasy world invented by English writer C S Lewis in his Chronicles of Narnia books. The White Queen first appears in The Lion, the Witch and the Wardrobe (1950), where it is revealed she has trapped Narnia in an endless Winter. Her origins are explored in the prequel The Magician’s Nephew (1955).
The Tuatha Dé Danann (TOO-a day DONNan; Ben butchers this and is very sorry) are the gods of ancient Celtic Ireland. They reside in Tír na nÓg, often translated into English as the “Otherworld”, which could be accessed (among other ways) via “passage tombs” under the earth – much like the Long Man’s barrow. They have some things in common with elves, but a closer analogue are the aos sí (“ays SHEE”) or Sidhe (“SHEE”, as popularised by William Butler Yeats and, much later, the fantasy roleplaying game Changeling: The Dreaming). The Sidhe appear in both Irish and Scottish mythology, and take many forms and roles – “banshee” is an English form of bean sidhe, for example. They are often said to live in another world (or underground in barrows, or across the sea – it’s mythology after all), but this is not usually considered to be Tír na nÓg.
If the plot of Maurice Sendak’s award-winning Outside Over There (1981) sounds familiar, that might be because it served as partial inspiration for Jim Henson’s Labyrinth (1986) – Sendak is thanked in the credits. The book forms part of a “trilogy” following a child’s psychological development, following his better-known books In the Night Kitchen and Where the Wild Things Are.
The very long dining table appears not only in Tim Burton’s Batman (1989) but also in a whole host of films, TV shows and other media. TV Tropes calls this cliche “table space“.
This is indeed the first appearance of “millennium hand and shrimp“, later used by the beggar Foul Ole Ron (from Soul Music onwards) and bag lady Mrs Tachyon (in the Johnny Maxwell books). Terry apparently generated it using a gibberish computer program, into which he fed a Chinese takeaway menu and the lyrics of the They Might Be Giants song, “Particle Man”, one line of which is “Millennium hand and an aeon hand”. (Ben was very excited to discover while researching this episode that Terry, like Ben, was a big TMBG fan!)
A lot has been written on mental health in academia; a good place to start if you’re interested might be this Guardian series on the subject, which spans three years.
Howl’s Moving Castle, originally a 1986 fantasy novel by Diana Wynne Jones, was fairly loosely adapted into an animated film by Studio Ghibli in 2004. Both are wonderful.
Return to Oz is a 1985 sequel to The Wizard of Oz, loosely adapting two of the later Oz books by Frank L Baum. As mentioned above it stars Fairuza Balk as Dorothy Gale, who after returning from her trip to Oz is seen as mad by her guardians and is sent for psychiatric treatment – including turn-of-the-century style electro-shock therapy. While it was not a big success at the time it has become a cult hit, in no small part because of its creepy imagery and for-the-time amazing practical and stop-motion effects. (The film also inspired the final track on the eponymous debut album, which uses Dorothy’s experiences as a metaphor to describe drug use in the queer community.)
The “Jesus picture” meme is also known as “potato Jesus“, and you’ve almost certainly seen it.
The game Jason Ogg plays with his Binky-iron horseshoe is not quoits, but…er…horseshoes. They both involve tossing a round object at a peg, but quoits is specifically played with circular “quoits”, these days usually made from rope or rubber.
Sailor Moon is a Japanese manga aimed at teenage girls, which launched in 1991. It’s best known in English speaking countries via the 1995 anime adaptation, which ran for 200 episodes. It follows the adventures of Tokyo middle-school student Usagi Tsukino, who is given the power to transform into “Sailor Moon”, a soldier with magical powers who is destined to save the Earth. Sailor Moon’s main love interest is “Tuxedo Mask”, a hero whose disguise is…er…a tuxedo and a mask. However the high school student who transforms into him is for a long time unaware of his secret identity, so they can only meet when in costume. Sailor Moon remains hugely popular, especially in cosplay circles, where you will often see the whole gang of “sailor scouts”.
If you’ve seen the 1987 film The Princess Bride (based on the 1973 novel by William Goldman), you can revisit the “to the pain” speech on YouTube here. It really is quite similar to the Elf Queen’s threat to Esme, but it’s worth noting that in the film the speech is given by the hero! (If you haven’t seen The Princess Bride, the scene is quite near the end of the film and is a bit of a spoiler.)
The Doctor Who story with the Morris Dancers is 1971’s The Daemons, starring Jon Pertwee as the Third Doctor and Katy Manning as Jo Grant. It also features a white witch named Olive Hawthorne as a supporting character, and she has quite a few things in common with a certain ex-member of the Lancre coven…
We previously mentioned Get Smart in our Guards! Guards! episode, but the specific running joke mentioned here is Agent 86, Maxwell Smart, encountering an enormous version of something and remarking: “Why, that’s the second biggest [thing] I’ve ever seen!” This joke is also used in one of Ben’s favourite videogames, The Secret of Monkey Island, in a scene he recently recreated in his Instagram feed.
Titus Andronicus is one of Shakespeare’s lesser-known plays, often cited as his first tragedy. It’s a graphically violent story about (fictional) Roman general Titus, who angers the Goth queen Tamora, setting off a vicious cycle of revenge. If you’re going to look it up, we’d just like to give you a content warning for murder, torture, mutilation and rape. It’s…not gentle.
The Tempest was one of Shakespeare’s last plays, and tells the story of the sorcerer Prospero and his daughter Miranda, who have lived on an isolated island ever since Prospero was deposed as the Duke of Milan. The play begins with a tempest summoned by Prospero to wreck a ship carrying he betrayers onto his island, but it’s not a revenge story; it’s usually classified these days as a romance.
The club started by Reg Shoe for the “vitally challenged”, and first seen in Reaper Man, is the Fresh Start Club, not the “Second Chance Club” as Ben misremembers.
Much Ado About Nothing is one of Shakespeare’s best-known comedies; while the central plot is serious – a villain slandering a young woman, Hero, to ruin her wedding to the dashing Claudio – it is feisty verbal fencers Benedick and Beatrice, who are tricked into revealing their mutual love, who always steal the show. Kenneth Branagh’s 1993 version starred him as Benedick and Emma Thompson – to whom he was still married at the time – as Beatrice, and is a traditional but wonderful adaptation with grand music and a cast including Denzel Washington, Imelda Staunton, Keanu Reeves, Robert Sean Leonard, Richard Briers, Michael Keaton, Ben Elton, Brian Blessed and – in her film debut – Kate Beckinsale. Joss Whedon’s black and white 2013 film has a contemporary setting and stars faces familiar to fans of Whedon’s work: Amy Acker and Alexis Denisof as Beatrice and Benedick, plus Nathan Fillion, Clark Gregg, Reed Diamond, Fran Kranz, Sean Maher, and Jillian Morgese.
Sonic the Hedgehog is a blue, super-fast hedgehog and Sega’s biggest videogame franchise, starring in a tonne of games beginning with 1991’s Sonic the Hedgehog for the Sega Mega Drive (aka the Sega Genesis), and also appearing in a short-lived animated television series, also called Sonic the Hedgehog, which ran from 1993 to 1994. In case Liz’s pun on his name is too blue (sorry) for you, he was also briefly spoofed in one of Ben’s favourite childhood shows, Tony Robinson’s Maid Marian and Her Merry Men, as “Chronic the Hedgehog”.
Pet Sematary is one of Steven King’s most famous novels, published in 1983. It involves an ancient burial ground, hidden behind the children’s “pet sematary”, where the dead don’t stay buried. It was adapted into a successful film in 1989, and a new adaptation comes out this year.
The Milgram Experiment, named for psychologist Stanley Milgram, was a 1961 social experiment supposedly showing that ordinary people will obey an authority figure even when instructed to do things beyond their personal ethical boundaries. The experiment was considered unethical, and prompted significant changes in the way psychological testing was approved. In 2012 the validity of the original study was called into question when evidence was uncovered suggesting Milgram had manipulated or misrepresented the results.