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Day in Engineering History Archive - June 8

June 8

Jacques-Arsène d' Arsonval born on this date. - Please click here to visit RF Cafe.Day in Engineering History June 8 Archive - RF Cafe1625: Gian Cassini, after whom the division between Saturn's A and B rings is named, was born. 1786: In New York City, commercial ice cream was manufactured for the first time. 1851: Jacques-Arsène d' Arsonval, who invented the reflecting moving-coil galvanometers used to measure weak electric currents, was born. 1920: Augusto Righi, who first showed that radio waves displayed characteristics of light wave behavior in the manner of reflection, refraction, polarization and interference, died. 1940: U.C. Berkeley researchers announced the creation of element 93, neptunium (Np). 1949: "1984," by George Orwell, was published. 1953: The first propane fuelled gas-turbine locomotive was placed in service by the Union Pacific Railroad. 1955: Tim Berners-Lee, inventor of the World Wide Web, was born. 1959: The first official U.S. missile mail was launched from the submarine USS Barbero at about 100 miles off the Atlantic Coast. 1979: The Source, the first computer public information service, went online. 1995: U.S. Air Force Capt. Scott O'Grady was rescued by U.S. Marines after being shot down over Bosnia.

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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 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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