› added 5 years ago

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TIL: Nuclear bombers sometimes were painted with "ANTI-FLASH WHITE" (also called blast white or atomic white) to deflect some thermal radiation from their bombs' nuclear explosions. (Shiny silvery surfaces can have similar effect.)

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ADmxx TIL the flag of the East India Company is said to have inspired the Grand Union Flag of 1775, ultimately inspiring the current flag of the United States. Mysorean rockets were also used in the Battle of Baltimore, and are mentioned in The Star Spangled Banner: "And the rockets' red glare..."
LA9p TIL - Scientists can accurately recover sound in a video that has been recorded without audio, just by observing the micro-vibrations of inanimate objects in that video.
l7lnK TIL meticulous records were kept of the Joseon Dynasty of Korea from 1392 to 1865. One example of the contents is when King Taejong fell from a horse and immediately told those around him not to let a recorder know about it. Both his fall, and the subsequent command were recorded.
N7avQ TIL NASA gave away hundreds of trees that have been to the moon. They never kept track of who they gave them to. Now they are trying to find them. One was at the White House.
8GZZ TIL of an Internet Mystery involving a Cicada which has never been solved.