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Day in Engineering History Archive - January 18

Day in Engineering History January 18 Archive - RF CafeJanuary 18

Ray Dolby's birthday - Please click here to visit RF Cafe.1779: British physician Peter Roget, best known for his thesaurus but also the inventor of a log-log slide rule and early investigator of sampling phenomena, was born. 1813: Joseph Glidden, inventor of barbed wire, was born. 1854: Thomas Watson, assistant to Alexander Graham Bell, was born. 1878: Antoine-César Becquerel, who was the first to use electrolysis to recover metals from ores, died. 1888: Sir Thomas Sopwith, of Camel biplane and triplane fame, was born. 1908: Dutch ophthalmologist Herman Snellen, developer of the visual acuity Snellen Chart seen in all opticians' offices, died. 1911: The first landing of an aircraft on a ship took place as pilot Eugene Ely flew onto the deck of the USS Pennsylvania in San Francisco harbor. 1933: American physicist Ray Dolby, of noise reduction fame, was born. 1991: Iraq launched SCUD missiles against Israel. 1994: The U.S. Department of Energy announced production of thin film solar panels giving nearly twice the efficiency of existing panels.

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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 - 2024

Webmaster:

    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 World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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