Slobodan Perovic (via Chris Joas) pointed this gem out to me. Four wonderful lectures given by Paul Dirac in 1975, on various topics in the foundations of quantum theory and…
Four 1975 Lectures by Paul Dirac
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In Memory of Bacon
Not the fatty breakfast-food, although you may remember that if you like. The great Sir Francis Bacon died 384 years ago today. And in memory of Bacon, here is your…
1907 Crisis in Mathematical Physics According to Poincaré
With 20-20 hindsight, we all agree that Einstein’s discoveries of 1905 revolutionized nearly every area of fundamental physics. But what did scientists think at the time? One telling source is Poincaré’s 1907 account of…
Translation of the long-lost Descartes letter
Amazingly, a long-lost letter by Descartes was recently recovered from the Haverford College outside Philadelphia. The letter’s discoverer, historian Erik-Jan Bos at the University of Utrecht, has now produced an English…
Galilean Freefall Confirmed
It wasn’t centuries of successful theories of mechanics, planetary dynamics, and interplanetary travel that confirmed Galilean freefall. Oh no. It was this. Soul Physics is authored by Bryan W. Roberts.…