› added 1 year ago

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TIL the preferred walking speed for many people is 1.42 m/s

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wLYvJ TIL that astronauts who return to Earth after a long time in space drop things in mid-air and expect them to float.
nWpZY TIL during the Pacific War, American soldiers comitted war crimes by killing surrendering Japanese soldiers and massacring POWs. in 1943, a secret [U.S.] intelligence report noted that only the promise of ice cream and three days leave would induce American troops not to kill surrendering Japanese.
LB60 TIL People who appreciate the beauty of mathematics activate the same part of their brain when they look at aesthetically pleasing formula as others do when appreciating art or music, suggesting that there is a neurobiological basis to beauty
NWj1 TIL of a device called the Salmon Cannon that uses a pressure differential to suck up a fish, send it through a tube at up to 22 mph, and then shoot it out the other side. This allows the fish to bypass dams and get upstream to spawn.
dAV8 TIL that CAPTCHA is an acronym for “Completely Automated Public Turing test to tell Computers and Humans Apart”