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Day in Engineering History Archive - December 28

Day in Engineering History December 28 Archive - RF CafeHappy Birthday John Backus!  Please click here to visit RF Cafe.December 28

1520: Portuguese navigator Ferdinand Magellan reached the Pacific Ocean after passing through the South American strait that now bears his name. 1869: William Semple of Mt. Vernon, Ohio, patented chewing gum. 1882: English astrophysicist Sir Arthur Eddington was born. 1895: The world's first movie theater opened in Paris, France. 1929: Dutch astronomer Maarten Schmidt, who discovered the distance vs. spectral shift paradox of quasars, was born. 1976: Patent #4,000,000 was issued to Robert Mendenhall for a process for recycling asphalt compositions. 2000: U.S. retail giant Montgomery Ward announced it is going out of business after 128 years. 2005: GIOVE-A, the first in a series of test-bed Galileo navigation satellites, was launched by the European Union.

| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |

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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About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024

Webmaster:

    Kirt Blattenberger,

    BSEE - KB3UON

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...

Copyright  1996 - 2026

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

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