Aging freak who fell in love with the history of science and now resides mostly in the 16th century.

Renaissance Nürnberg
Joined April 2011
Culture is part of the unholy trinity—culture, chaos, and cock-up—which roam through our versions of history, substituting for traditional theories of causation. – Filipe Fernández–Armesto "Pathfinders: A Global History of Exploration"
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See Enigma in action at Bletchley Park. Saturday 24 October Live demonstrations from 11.00-15.00 Included with admission Book here: bletchleypark.org.uk/event/e…
This weekend is Enigma Reloaded at the RSGB National Radio Centre at Bletchley Park - a #Morse code transmission will be received by volunteers at the NRC, before being deciphered on an original Enigma machine by a member of the @bletchleypark Learning Team. Find out more at bletchleypark.org.uk/event/e… - don't forget if you are an #RSGBmember you can get free access to the site by downloading a voucher at rsgb.org/bpvoucher #amateurradio #hamr #Enigma #WWII
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Any artists who would like to learn more about what does it mean when mathematicians say that "mathematics is an art"? My book "Art of Mathematics" is coming out soon and I would love to hear your take on this. accartbooks.com/uk/book/art-…
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Bible chronologist, James Ussher (1581–1656) Archbishop of Armagh dated the creation of the world to 6 pm on the 22 October 4004 BCE, which is actually the start of the 23rd because he was using the Jewish calendar. Total folly or rational calculation? thonyc.wordpress.com/2009/10…
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In the UK we need to turn our clocks back this weekend. But there's a lot of different ways of telling the time, many of them relying on the sun. In this article we explore the analemmatic sundial - very different from the garden sundial you might know. plus.maths.org/analemmatic-s…
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Book That Made History 21: Fig. 1: 𝐀𝐯𝐞𝐫𝐫𝐨𝐞𝐬'𝐬 "𝐂𝐨𝐥𝐥𝐢𝐠𝐞𝐭", 𝐈𝐭𝐚𝐥𝐲, 𝟏𝟒𝐭𝐡 𝐂𝐞𝐧𝐭𝐮𝐫𝐲 MS Lat. Z. 318 (=1960), f. 1r, Biblioteca Nazionale Marciana, Venice. #CSMBR #MedicalHistory #Medieval #Colliget #Averroes #ArabicScience #Pharmacology
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Peapod with Ten Biblical Scenes, North German, c. AD 1500. 10cm long. boxwood.ago.ca/object/peapod…
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A huge privilege to represent @NauticalHistory at @RMGreenwich to celebrate their new acquistion of HMS Beagle's chronometer 1042 which sailed with Darwin on historic 2nd voyage 1831-6 & was used to calculate longitude! Now on display & saved for the nation! ⏱️
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I love doing research so much. Tonight I'm going to study such a lovely subject! I'm already getting hungry and I haven't even started yet. researchgate.net/publication…
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Paywall!
We now have a clearer picture of what happened in the decades following the asteroid impact that led to the extinction of almost all dinosaurs newscientist.com/article/259…
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Bible chronologist, James Ussher (1581–1656) Archbishop of Armagh dated the creation of the world to 6 pm on the 22 October 4004 BCE, which is actually the start of the 23rd because he was using the Jewish calendar. Total folly or rational calculation? thonyc.wordpress.com/2009/10…
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From the Lord of the Ring of Mercury to Munich… the alchemical journey continues! 📜 “Alchemy of Care” 📍 SHAC Autumn Meeting, Deutsche Museum, Munich ⏰5 November 2026|2:30 pm Some secrets are hidden in the art of healing #historyofalchemy #historyofmedicine #shac #Munich
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Vivek Ramaswamy seeks to take political advantage of the fact that his opponent was raped as a child. But to his credit, unlike many other Republican politicians, he was not personally the rapist in question.
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A major event just passed without notice: the 180th anniversary of the discovery of dark matter. You hadn't heard that we discovered dark matter 180 years ago? Well, have I got a story to share with you. My latest Invisible Universe column, here: invisibleuniverse.substack.c…
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The Maps of Matrakçı Nasuh, Ottoman Polymath 🗺 16th century map of Soltaniyeh, Zanjan, Iran
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Finally, some recognition of Ukrainian drone technology
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UK crime was four times higher when Oasis first played Knebworth than at last year’s reunion gigs. The collapse of crime and safer streets is one of the biggest stories of our time. But one almost never told - or believed. My take on today’s figures: comment.press/lawless
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Map of Berlin following the construction of the Berlin Wall, 1960s.
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Illuminations by Evrard d'Espinque for a circa 1480 French translation of Bartholomaeus Anglicus' 13th-century De Proprietatibus Rerum. More marvellous maps from the manuscript here: publicdomainreview.org/colle…
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