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TIL: In 2012 the Army demonstrated a weapon that shoots laser-guided lightning bolts.

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xVJlo TIL I learned about Admiral Yi, Martial Lord of Loyalty. He was an incredibly talented Korean general, who inflicted multiple, crushing defeats on the Japanese, despite being constantly undermined by the Korean government and despite being almost aways in numerical inferiority.
6E1PQ TIL that Captain America's shield in the first Ironman movie was only there as a joke from an ILM artist during cinesync sessions to which Jon Favreau wanted to leave in just to see who else might notice it.
D1WjY TIL Due to the plant hormone auxin, tulip stems continue to elongate after they are cut.
XjAX TIL that Switzerland has enough fallout shelters to cover 114% of its population, including the largest fallout shelter in the world, the Sonnenberg Tunnel, designed to house 20 000 civilians, though reassessed for 10 000 to 17 000
bRD9 TIL in 2007, a prostitute was held at gunpoint and raped by a prospective client and his buddy after the two refused to pay prior to a prearranged transaction. The Judge in the case ruled the crime as only “theft of services”.