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172 years ago #Today, the rotation of the Earth was experimentally proved by Leon Foucault. After weeks of work, he recorded in his journal that he made this discovery at 2:00 am working with a pendulum in the cellar of the house he shared with his mother buff.ly/2MEJlUM
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75 years ago #Today, a moth was found in the Panel F of the Harvard Mark II calculator: the first computer bug [read more: buff.ly/3tre2xW]
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43 years ago #Today, Douglas Adams' The Hitchhikers Guide to the Galaxy was first published bit.ly/1TEAbkH
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53 years ago #Today, the nascent #ARPANET grew to four nodes when ARPA connected computer network nodes at four universities. This is the chart of all the Internet at the end of 1969 bit.ly/2iTcUn3
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Born 200 years ago #Today, Louis Pasteur is renowned for his discoveries of the principles of vaccination, microbial fermentation, and pasteurization. His works are credited to saving millions of lives thanks to the vaccines for rabies and anthrax buff.ly/2QePXbq
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This is the oldest surviving aerial photograph, taken 43 years before the invention of the airplane, 162 years ago #Today bit.ly/1EaL7fl
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This is the first acknowledged picture of M31 or the Andromeda Galaxy, taken exactly 134 years ago #Today by engineer and amateur astronomer Isaac Roberts bit.ly/2hs77xX
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"The End of the War" is a graphic record of when the guns fell silent at the end of WWI recorded by sound ranging equipment near the front, 104 years ago #Today
[read more: ow.ly/zIJu30mx94L]
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#Today in 1924 (still less than 100 years ago), Edwin Hubble announced to the world the existence of other galaxies than the Milky Way bit.ly/2ikVc74
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65 years ago #Today the first artificial Earth satellite was launched #Sputnik1
[source, read more: bit.ly/1QLIkQw]
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54 years ago #Today, three men were boldly going where no one had gone before. This is what Earth looked like in the Hasselblad photos taken more or less in the same hours, during the trans-lunar coast ow.ly/eCSA30n5c4p #Apollo8
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70 years ago #Today, a dense smog descended on London, England, that would last four days, causing at least 4,000 deaths and chaos for transportation as visibility was reduced to a few hundred yards bit.ly/2AVIVBW
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The true story of history's only known meteorite victim. Ann Hodges was hit by a meteorite in her Alabama home #Today in 1954 bit.ly/2AIY3CY
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30 years ago #Today, the "Peekskill meteorite" hit an unoccupied 1980 Chevy Malibu near New York bit.ly/2kBBaKj
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One of the most poetic sights of the Apollo missions: a crescent Earth seen from the Apollo 15 command module during the trip back home, 51 years ago #Today bit.ly/2aGDtCC
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#Today in 1888, the Cliff Palace at Mesa Verde, Colorado, was rediscovered by rancher Richard Wetherill. In the 1200s, the Anasazi, an ancient pueblo people, built 150 rooms and 23 large, round kivas within a large rock shelter, high on a cliff buff.ly/3G15Axh
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Born #Today in 1790, Robert Stirling was minister and inventor of the Stirling Cycle engine.
This is a 1903 phonograph working with a Stirling hot air engine
[read more: buff.ly/3srbRL5]
[📹 Oliver Mallia]
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53 years ago #Today, the Apollo 12 Saturn V was about to launch (16:22 UTC) to achieve the second successful Moon landing bit.ly/1MBvWAp
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Born #Today in 1906, Grace Hopper was computer scientist, pioneer of computer programming, developer of COBOL and United States Navy rear admiral
[read more: bit.ly/2BoBNyG]
[gif by Angela Hsieh: ow.ly/nUXQ30mV25I]
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Born #Today in 1891, Frederick Grant Banting was the physician who, assisted by Charles H. Best, was the first to extract in 1921 the hormone insulin from the pancreas. From 1991, #WorldDiabetesDay is celebrated on November 14
[read more: buff.ly/3Ttiyra]
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14 years ago #Today, the Bitcoin genesis block was created
[read more: buff.ly/3QdtglO]
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119 years ago #Today, two Ohio brothers – Wilbur & Orville Wright – made the first bonafide, crewed, heavier-than-air flight bit.ly/2gVOyFh
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#Today in 1882, the first string of electric lights decorating a Christmas tree was created for his home by Edward H. Johnson, an associate of Thomas Edison ow.ly/Spbd30n5jN5
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22 years ago #Today, while en route to Saturn, @CassiniSaturn made its closest approach to Jupiter. This view of Io against the gas giant's clouds was sent to Earth two days later go.nasa.gov/2ixxp3D
