This Day in Geek History: November 13
1907
French inventor Paul Cornu flies the first helicopter. The “flight” carries the vehicle roughly one foot off the ground and only lasts twenty seconds, but it is nonetheless be marked as the first flight of the first helicopter.
1928
Vladimir Zworykin is granted a patent for a color television imaging tube that employs cathode ray tubes and a screen composed of a mosaic of squares in the three primary colors. Several later biographers will call him the “true inventor of television.”
1955
The first live US television program originating from outside the continental United States is broadcast from Havana, Cuba.
1957
Gordon Gould, a doctoral research student at Columbia University and a former member of the Manhattan Project, completes the design of a light-emitting version of the microwave emitting maser, which he names Light Amplication by the Stimulated Emission of Radiation (LASER).
1971
The American space probe, Mariner 9, becomes the first space probe to orbit another planet when it enters into orbit around Mars. The probe’s mission is to return photographs that will map seventy percent of the surface while conducting a study of the planet’s atmosphere.
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