Geek Fact for April 20th

In 1940, the first electron microscope was demonstrated.

Vladimir Zworykin demonstrated the electron microscope at RCA in Philadelphia, PA. Zworykin is better known as a co-inventor of television. He came to the US in 1919 and worked for Westinghouse before moving to RCA.

Learn more at http://www.wired.com/science/discoveries/news/2009/04/dayintech_0420

Photo: Bettmann/Corbis

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