Wednesday, May 15, 2019

The #Feynman #Lectures on Physics are now #free on the web #Physics #HTML5 #Books @Caltech https://t.co/blzVNd0g5E #paper https://t.co/06KmELT2O6


from Twitter https://twitter.com/wladek60

May 15, 2019 at 12:46AM
via IFTTT

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