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On January 19, 2011, I found an online article about Feynman [Ref. 1]. In the beginning, it reads: Caltech hosted its first-ever TED-X...

About twenty years ago, I asked one of my colleagues what was the unit “Dirac” for. He, a competent physicist, thought about it for a...

I saw the results of two polls about the top-ten physicists in history. Can you guess the names in the lists? Was Richard Feynman on the...

A collection of the letters of the Nobel-prize-winning physicist Richard Feynman, edited by his daughter, Michelle Feynman, appeared in...