Today in Physics

November 21

Events

• 1877: Thomas Edison announces the invention of a machine that can record and play sound, the phonograph
  More: http://www.findingdulcinea.com/news/science/On-This-Day--Thomas-Edison-Announces-Invention-of-Phonograph.html
• 1905: Albert Einstein's paper which leads to the formula E = mc² is published.
  More: http://www.edn.com/electronics-blogs/edn-moments/4401906/Einstein-paper-outlines-E-mc2--November-21--1905

Deaths of Nobel Prize in Physics Winners

• 1970: Sir Chandrasekhara Venkata Raman
  • Nobel Prize in 1930 "for his work on the scattering of light and for the discovery of the effect named after him"
  • Bio from the Nobel website
• 1996: Abdus Salam
  • Nobel Prize in 1979 "for their contributions to the theory of the unified weak and electromagnetic interaction between elementary particles, including, inter alia, the prediction of the weak neutral current"
  • Bio from the Nobel website

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