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MECA Electronics Attenuators

Day in Engineering History Archive - November 17

Day in Engineering History November 17 Archive - RF CafeNovember 17

Alles Gute zum Geburtstag August Möbius August Möbius - RF Cafe1787: Louis-Jacques-Mandé Daguerre, who produced the first permanent photograph, was born. 1790: German astronomer August Möbius, the mathematician who invented the famous single-sided strip that bears his name, was born. 1835: American physicist William Anthony, who developed one of the first electrical engineering courses in America (at Cornell), was born. 1869: The Suez Canal opened in Egypt, linking the Mediterranean and the Red Sea. 1871: The National Rifle Association (NRA) was organized. 1891: Emile Berliner was issued a patent for a combined telegraph and telephone. 1906: Soichiro Honda, who founded the Honda Motor Company, was born. 1962: President JFK dedicated the Dulles International Airport in VA. 1967: Surveyor 6 made a six-second flight from its landing site on the moon - the first lift-off on lunar surface. 1970: A U.S. patent was issued to Doug Engelbart for the computer mouse - an "X-Y Position Indicator for a Display System." 1990: Robert Hofstadter, Nobel Prize for Physics recipient for measuring the sizes of the neutron and proton in the nuclei of atoms, died. 2008: Kiyoshi Ito, a mathematician whose innovative models of random motion are used today in fields as diverse as finance and biology, died.

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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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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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