1926- In a letter published in Nature, G.N. Lewis coined the word "photon"
1958 – Project SCORE, the world's first communications satellite, is launched.
1966 – Saturn's moon Epimetheus is discovered by Richard L. Walker.
1856 - J.J. Thomson (characterisation of cathode rays) (http://iit-jee-chemistry.blogspot.in/2008/02/jee-ervision-atomic-structure-basics.html)
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