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Day in Engineering History Archive - October 3

October 3

Transistor Patented by Shockley, Bardeen and Brattain - Please click here to visit RF Cafe.

Today is German Reunification Day (1990). 1830: George Brayton, who invented the first commercially produced internal combustion engine and developed the Brayton cycle, was born. 1910: Lucy Hobbs Taylor, the first woman to earn a dental degree in America, died. 1913: President Woodrow Wilson signed a bill authorizing the Federal Income Tax. 1942: The first successful launch of the German V-2 rocket took place. 1947: The 200-inch diameter telescope lens for the Mount Palomar Observatory was completed after 11 years of grinding and polishing. 1950: The transistor was patented by Shockley, Bardeen and Brattain. 1952: "Hurricane", the first British atomic bomb, was tested becoming the third country in the world to test such a weapon. 1971: Lester Germer, who along with Clinton Davisson, conducted an experiment that first demonstrated the wave properties of the electron, died. 1999: Sony co-founder Akio Morita died. 2006: Nokia announced its new Wibree short-range wireless connectivity standard.

| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |

Note: These historical tidbits have been collected from various sources, mostly on the Internet. As detailed in this article, there is a lot of wrong information that is repeated hundreds of times because most websites do not validate with authoritative sources. On RF Cafe, events with hyperlinks have been verified. Many years ago, I began commemorating the birthdays of notable people and events with special RF Cafe logos. Where available, I like to use images from postage stamps from the country where the person or event occurred. Images used in the logos are often from open source websites like Wikipedia, and are specifically credited with a hyperlink back to the source where possible. Fair Use laws permit small samples of copyrighted content.

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