› added 7 months ago

27

TIL about the black hole information paradox, a conflict in physics between quantum mechanics and general relativity. The latter says that matter which falls into a black hole is lost when the black hole evaporates, but this violates the principle of information conservation in quantum mechanics.

Read more wikipedia.org

via reddit.com

x69Yg TIL that Super Bowl XXXIV (34) is known as the "Dot-Com Super Bowl" because it featured 14 ads from 14 different dot-com companies, each paying an average of $2.2 million per spot. Of these companies, four are still active, five were bought by other companies, and the remaining five are defunct.
wLoJ6 TIL the yellow cab of NYC were started in 1907 when a businessman, outraged at being charged $5 dollars ($122 today) for a 1/4 mile horse and carriage trip, decided to start his own taxi "service in New York and charge so-much per mile
x6rpg TIL that there wasn’t a North Star throughout much of antiquity, and after the year 2100, Polaris (the current North Star) will start moving away from the celestial north pole. There won’t be another North Star until around the year 4200.
b6P1a TIL that until 1752, March 25th marked the start of the new year in England and her colonies
VMkd8 TIL during the Korean War, a British soldier led a series of grenade-hurling assaults against waves of Chinese soldiers attacking his post. When he ran out of grenades, he began hurling beer bottles, giving his unit enough time to retreat, and stood his ground until he ran out of things to throw.