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Day in Engineering History Archive - January 31 | ||||||
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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.
Please submit significant
historical events and dates for inclusion in these lists. I will be glad to include your name and
birthday. Please do not submit your death date ;-)
A couple 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.
January 31  1950: Development of the hydrogen fusion bomb (H-bomb) was publicly announced by U.S. President Truman. 1954: American electrical engineer Edwin Armstrong, a pioneer in radio communications and electronic theory and inventor of the CW transmitter, regenerative & superheterodyne circuits, and frequency modulation, died. 1958: The U.S. entered the space age by launching the first successful orbiting satellite, Explorer 1, almost four months after the launch of Sputnik by the USSR. 1958: James Van Allen's theory of the presence of what became known as the Van Allen Radiation Belt was confirmed by Explorer 1. 1961: Ham the chimpanzee became the first primate in space when launched aboard a Mercury-Redstone 2 rocket. 1971: Apollo 14 blasted off for the moon. 1983: British drivers were first required to "buckle-up." 2000: McDonald's opened its first restaurant in Moscow. 2005: SBC Communications on announced plans to acquire AT&T for $16 billion. 2011: Helicopter and guitar pioneer Charles Kaman died. | ||||||
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