› added 11 months ago

57

TIL sharks existed before trees

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Oo7kY TIL about "Sundown Towns" where specific ordinances and posted signs in counties, cities, and suburbs restricted black people out at night. This is why many neighborhoods are still very racially segregated today.
b66pE TIL In 2009, two Northwest pilots had their licenses revoked (for at least one year) after they overflew the Minneapolis-St. Paul airport by 150 miles and had to turn around. Pilots said that they were using their laptops in the cockpit and lost track of time and place.
EryV TIL Iceland’s first permanent settler was a slave called Nightwalker who escaped his master. Little else is known about him.
neX1B TIL of Castle Bravo, the largest bomb detonated by the USA. It was roughly 1000 times more power than the bombs dropped on Hiroshima and Nagasaki and had a fireball 4.5 miles (7.2 km) in diameter 1 second after the detonation.
lodaN TIL of a device called Stentrode that functions as a brain–computer interface (BCI). It allows people with paralyzed or missing limbs to use their neural signals or thoughts to control computers and other devices. Human trials using the implanted device have begun.