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Day in Engineering History Archive - May 7

May 7

Day in Engineering History May 7 Archive - RF Cafe1847: The American Medical Association (AMA) was established. 1855: Oskar von Miller, who pioneered the electric power industry in Germany, was born. 1909: Edwin Land, inventor of the Polaroid Land Camera, was born. 1942: In the Battle of the Coral Sea, Japanese and American navies attacked each other with carrier planes - it was the first time in the history of naval warfare where two enemy fleets fought without seeing each other. 1945: Germany signed unconditional surrender ending World War II (it would take effect the next day). 1952: The concept of the integrated circuit chip was first published by Geoffrey Dummer. 1963: The U.S. launched the Telstar II communications satellite, which on its tenth orbit transmitted the first transatlantic TV program seen in color. 1992: The Endeavour space shuttle blasted off on its maiden voyage.

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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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Copyright: 1996 - 2018
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    Kirt Blattenberger,
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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...

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