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Day in Engineering History Archive - January 26

January 26

Day in Engineering History January 26 Archive - RF Cafe0066: The 5th recorded perihelion passage of Halley's Comet occurred. 1875: George Green patented what is essentially the modern electric dental drill for sawing, filing, dressing and polishing teeth. 1886: Karl Benz patented the first auto powered by an internal combustion engine. 1891: Nikolaus Otto, developer of the 4-cycle internal combustion engine, died. 1911: Nobel physicist Polykarp Kusch, who determined that the magnetic moment of the electron is greater than its theoretical value, was born. 1911: Glenn Curtiss piloted the first successful seaplane in San Diego. 1921: Sony co-founder Akio Morita was born. 1942: The first U.S. force in Europe during WW II went ashore in Northern Ireland. In 1926: John Logie Baird gave the first public demonstration of a true television system in London. 1950: India became a republic. 1998: Intel launched the 333 MHz Pentium II chip. 2006: Western Union sent its final telegram message.

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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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