Word: kelchner
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Dates: during 1930-1939
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...left. In that magnetic field only a positively charged particle could be traveling upward and curving to the left. In all features the particle was the "anti-electron," the mathematical "hole" imagined by Dirac. Its life was brief-about a third of a millionth of a second. But Karl Kelchner Darrow of Bell Telephone Laboratories later pronounced it "probably the most famous individual corpuscle in the history of physics." Dr. Anderson called his discovery the positive electron, or positron...
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