› added 10 years ago

65

TIL The Concorde supersonic jet stretched during flight due to the heat it generated. On its final flight the crew placed their hats into a crevice in the floor which appeared during the flight, as the aircraft cooled the crevice closed, permanently sealing their hats in the aluminum airframe.

Read more wikipedia.org

via reddit.com

yP58 TIL that the Emancipation Proclamation applied only to slaves in Confederate states. Union-friendly border states and southern regions under Union control continued to practice slavery.
N7J06 TIL the offensive-two fingered "flipping off" V sign has its origins in the Battle of Agincourt, 1415AD
KY6vR TIL that the regional hospital in Sundsvall, Sweden, is cooled year-round with stored snow from the winter months, reducing energy consumption for cooling by over 90%
b9RQ TIL Wind turbines can kill bats without impact, they die because their lungs explode from a drop in air pressure.
EbrW TIL That the American flag present on the deck of the USS Missouri during signing of the Japanese Instrument of Surrender was the same flag that Commodore Matthew Perry flew when the U.S. Navy’s Far East Squadron sailed into Tokyo Bay to force the opening of Japan’s ports to foreign trade.