In 1896 – Hoping to test the suns ability to create X-rays. Henri Becquerel placed a wrapped photographic plate in a closed desk drawer, with a phosphorescent uranium rocks laid on top. He left it in the drawer for several days until the sun came out. To his surprise images of the rocks appeared without the sun.

In 1909 – The first successful color motion picture process, Kinemacolor, was shown to the general public at the Palace Theatre in London.

In 1935 – Scottish physicist Robert Watson-Watt demonstrated Radio Detection And Ranging to Air Ministry officials at Daventry, England. This RADAR proved quite helpful a few years later when war broke out.

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In 1837 – The U.S. Patent Office approved Thomas Davenport’s application for a patent on an “Improvement in Propelling Machinery by Magnetism and Electro-Magnetism.” We’d call it an electric motor.

In 1928 – Charles Jenkins Laboratories of Washington, D.C. became the first holder of a television license from the Federal Radio Commission.

In 1930 – A US patent for a photographing apparatus was issued to George Lewis McCarthy, who called it a Checkograph. It was the first bank check photographing device.

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In 1949 – A modified German V-2 ballistic missile launched from White Sands Missile Range in New Mexico, reached an altitude of 244 miles, putting it well above the Kármán line. It was the first U.S. rocket to reach “outer space.”

In 1955 – A boy was born to University of Wisconsin graduate students Joanne Simpson and Abdulfattah Jandali. He was given up for adoption and taken in by a machinist and his wife in Mountain View, California. They named him Steve Jobs.

In 2011 – The Space Shuttle Discovery lifted off from cape Canveral on its final mission.

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In 1893 – Germany’s Imperial Patent Office granted Rudolph Diesel Patent No. 67207 for “a new efficient thermal engine”. We just call it, the Diesel engine.

In 1927 – President Calvin Coolidge signed Public Law no. 632 establishing the Federal Radio Commission which was later replaced by the Federal Communications Commission.

In 1927 – German physicist Werner Heisenberg wrote a letter to Wolfgang Pauli, describing the uncertainty principle for the first time. He submitted a paper on the principle for publication the following March.

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