Lmst

Edward Lorenz, of “butterfly effect” fame, was born OTD in 1917. "Chaos: When the present determines the future, but the approximate present does not approximately determine the future.” 🧪🦋🦫🧠🗃 #PhilSci #HistSTM

A plot of Lorenz' strange attractor for values ρ=28, σ = 10, β = 8/3. Via Wikipedia.

Mary Anning, ‘the greatest fossilist the world ever knew’, was born on Lyme Regis #OTD in 1799 #womeninSTEM #histSTM #palaeontology
https://paleonerdish.wordpress.com/2017/03/10/mary-anning-and-the-hunt-of-primeval-monsters/

It's #WorldBeeDay! 🐝💛🍯🖤

This gorgeous gynandromorph potter flower bee is described in a 1845 article in The Zoologist by English entomologist Frederick Smith. It's pictured from above (left) and below (right).

#HistSTM #HSTM #histsci #histbio #STS @histstm #histsex #history #histodons @histodons #sex #queer #queerhistory #lgbtq #animals #bees #science #naturalhistory

Image of part of a page of The Zoologist (1845) featuring two images of a 'hermaphrodite' (gynandromorph) bee as viewed from above (left) and below (right).

Carlo Rovelli on the importance of good #PhilSci to making advances in physics. On his account, misinterpretations of Kuhn and Popper by practicing physicists account in part for what he considers to be too much work on unproductive research programs. #HistSTM

Why bad philosophy is stopping...

Happy birthday to Danish #seismologist Inge Lehmann (1888 – 1993) who demonstrated that the Earth’s core is not a single molten sphere, but contained an inner solid core, in ‘36. She was a pioneer #womanInScience, a brilliant seismologist & lived to be 105.⁠
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As she first postulated, the #earth has roughly 3 equal concentric sections: mantle, liquid outer core & solid inner core. The crust, on which we live is merely 🧵1/n

#printmaking #sciArt #geophysics #histstm #seismology #womenInSTEM

Square linocut print on white paper of seismologist Inge Lehmann in a fur coat, silk scarf and dapper hat, in dark grey-teal ink overprinted with her diagram of the cross-section of the Earth in orange and red from her P’ paper, showing the mantle, outer core and inner core, an earthquake epicentre marker E and labelled ray paths through the Earth.

"Race isn’t a ‘biological reality,’ contrary to recent political claims − here’s how scientific consensus on race developed in the 20th century"
#HistSTM #HistSci #Slavery #USslavery
#Sociologyhttps://theconversation.com/race-isnt-a-biological-reality-contrary-to-recent-political-claims-heres-how-scientific-consensus-on-race-developed-in-the-20th-century-253504

The Sad Story of Darwin’s Self-Procleimed “Stupidest” Child
"Leonard Darwin had a lot to live up to. He was the son of the legendary Charles, and several siblings proved to be brilliant scientists as well...In his fifties, he pronounced his life a “failure.” But in his sixties, he finally found his calling—the dark pseudoscience of eugenics, a field he embraced in part to prove that he wasn’t the failure he imagined"
#HistSTM #HistSci #CharlesDarwin
https://podcasts.apple.com/us/podcast/the-sad-story-of-darwins-self-procleimed-stupidest-child/id1506994358?i=1000704454195

Gregory Bateson was born OTD in 1904. “Logic is a poor model of cause and effect.” “Epistemology is always and inevitably personal. The point of the probe is always in the heart of the explorer: What is my answer to the question of the nature of knowing?” 🦫🦋🧪🐋🌱 #PhilSci #HistSTM

D’Arcy Wentworth Thompson was born OTD in 1860. He conceived of organismal form as primarily a matter of physical forces, rather than natural selection. He used diagrams to represent how networks of physical forces could deform one body plan into another. 🧪🌱🐋🦋🦫🐡 #HistSTM

Henri Poincaré was born OTD in 1854. Identical antecedents must lead to identical consequents. But our world is so complex that it is inconceivable that two situations should *ever* be in all respects identical. And so the principle of determinism has no application to us. 🧪🦋🦫 #HistSTM #PhilSci

Caricature of P by David Levine for The New York Review of Books.

Kurt Gödel was born OTD in 1906. “If a 'religion' is defined to be a system of ideas that contains unprovable statements, then Gödel taught us that mathematics is not only a religion, it is the only religion that can prove itself to be one.” John Barrow, The Artful Universe 🧪🦫🦋 #HistSTM #PhilSci

Caricature of G by David Levine for The New York Review of Books.

Happy birthday to British #engineer, #mathematician, #physicist & #inventor Hertha Ayrton (1854-1923). I’ve shown her in my #linocut with a diagram of the dividers from her 1st of 26 (!) patents, one of her diagrams about the origin & growth of ripple marks & one of her diagrams of an electric arc lamp (a subject on which she literally wrote the textbook).⁠
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Born Phoebe Sarah Marks, she was the 3rd of 8 children 🧵

#printmaking #sciart #WomenInSTEM #histstm #suffragette #MastoArt

Linocut portrait of Hertha Ayrton, surrounded by her diagrams and some of her inventions, printed in a gradient of red to purple. Ayrton, a middle age woman with a lot of curly hair, stands with her fingertips on a tabletop, looking right, in a loose dress. Her dress is red and colours change radially out to purple. To her left and above her are a series of horizontal sections showing the formation of ripples on a beach. Above her to the right is a diagram of her dividers from her patent. To the lower right is a cross-section of an arc-lamp.

Happy birthday to #mathematician Felix Klein (1849-1925). This is a hand-carved and hand-printed image of the famous mathematical object, the Klein bottle, printed in a gradient of pale yellow-green to darker blue-green on paper 8” by 8” (20.3 cm by 20.3 cm). First described by mathematician Felix Klein in 1882, this object has a single surface, rather like a 3D version of a Möbius strip. 🧵
#linocut #sciart #printmaking #mathart #FelixKlein #histstm #mathematics #maths #reliefPrint #MastoArt

This is a hand-carved and hand-printed image of the famous mathematical object, the Klein bottle, printed in a gradient of yellow-green to blue-green on paper 8" by 8" (20.3 cm by 20.3 cm).

Research grants in #mininghistory! The American Mining History Association provides research grants each year of up to $1,000 to fund research on any topic related to mining’s past, including #histSTM, #envhist, #histtech, #laborhistory, #bizhist. Due date: May 1st! @micaamy @HistoryNystrom https://mininghistoryassociation.org/ResearchGrants.htm

Happy Easter to all who celebrate! 🌱

No cute lambs or bunnies in my files, I'm afraid. I do, however, have a *lot* of queer chickens. This is Hector, a 'hen-cock' pictured in the Sporting Magazine in March 1833 and mentioned by Charles Darwin in his 1868 book The Variation of Animals and Plants under Domestication!

🥚🐥🐔

#Easter #HistSTM #HSTM #histsci #histbio #STS @histstm #histsex #history #histodons @histodons #sex #queer #queerhistory #lgbtq #animals #birds #science #naturalhistory #art

2 open pages (in black and white) from the March 1833 edition of the Sporting Magazine. The page on the left has an an image of a cockerel with the plumage of a hen. It's titled 'Hector, a Hen-Cock.'

Charles Darwin died OTD in 1882. Stories of a deathbed renunciation of his doubts about Christianity and recantation of his theory circulated widely (mostly in the US, predictably). They were, however, lies. He was buried in Westminster Abbey, next to John Herschel. 🧪🌱🐋 #HistSTM #Evobio #PhilSci

Photo of Darwin’s and Herschel’s headstones in Westminster Abbey, via Wikimedia Commons.

Happy birthday to Canadian 🇨🇦 geneticist Irene Ayako Uchida (1917-2013)! In my #linocut Uchida is shown surrounded by chromosones, with anomalies (shown with pink arrows) due to radiation exposure, based on one of her research papers. A strand of DNA is hidden in the image (as her watchband).⁠
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Uchida didn’t set out to be a scientist. She was studying English literature at UBC, before she was interned 🧵1/n
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#printmaking #sciart #genetics #cytology #DNA #histstm #WomenInSTEM #chromosomes

Linocut portrait of geneticist Irene Ayako Uchida (handsome, middle age woman of Japanese heritage with curly hair with a white streak on her right temple, with an open, thoughtful face) leaning on folded arms in a white button down shirt with a small watch with double-helix watchband on her wrist, in dark teal-grey ink. She is surrounded by chromosomes in gold, from one of her papers. The anomalous ones are pointed out with small pink arrows.

Brazil fights Harvard to reclaim African rebel’s skull after 190 years #HistSTM #HistSci
#Slavery
https://www.theguardian.com/world/2025/mar/05/brazil-harvard-african-rebels-skull-190-years

Scientists review Arabic manuscript containing lost works of Apollonius and shed light on Islamic scientific tradition #HistSTM #HistSci
https://phys.org/news/2025-02-scientists-arabic-manuscript-lost-apollonius.html

Three cuttlefish and other marine and terrestrial animals. From an Arabic manuscript of Dioscurides' Book of Herbs. Credit: Leiden University Libraries.

Darwin Online: "Caricatures of Evolution"
"This unprecedented 700-page catalogue of over 1,400 caricatures and satirical illustrations regarding Darwin and evolution transforms our knowledge of the surprisingly vast extent of Darwin's impact on visual culture from 1860-1939" #CharlesDarwin #HistSTM #HistSci
https://darwin-online.org.uk/EditorialIntroductions/vanWyhe_Caricatures_of_Evolution.html

#histstm

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