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Day in Engineering History Archive - December 21 | ||||||
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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.
December 21   1807: Joseph Fourier's memoir "On the Propagation of Heat in Solid Bodies," was read to the Paris Institute, and contained what we now call Fourier series, which he had worked upon since around 1804. 1878: Jan Łukasiewicz, who invented Reverse Polish Notation (RPN), was born. 1898: Scientists Pierre and Marie Curie discovered the radioactive element radium. 1929: My father, "Arthur Blattenberger, was born. 1968: Apollo 8, the first manned voyage to the moon, was launched. 1988: A Libyan terrorist's bomb exploded aboard Pan Am Flight 103, a Boeing 747, over Lockerbie, Scotland, killing 270 people. 1990: American aeronautical engineer Kelly Johnson, who founded the Lockheed Skunk Works, died. 2012: The Long Count of the Mayan calendar will cycle. | ||||||
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