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TIL that in the late 1800s, many farmers in the American midwest believed that strong vibrations in the air helped rainclouds form, akin to shaking the branches of a wet tree. This led many to set off dynamite explosives at high altitudes in order to bring rain for their crops.

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N7Dd1 TIL Astronauts use white space suits in space as white reflects the solar radiation. However, while heading to space or coming back, they wear an orange space suit so that, if there's a malfunction and astronauts have to abandon ship, they need to be easy to spot for rescue crews.
Wkl9d TIL Jimmy Carter reported seeing an unidentified flying object while at Leary, Georgia, in 1969
DGyp TIL that Canada and Denmark are in territorial dispute over Hans Island. Their “war” consists of removing the other country’s flag, planting theirs, and leaving a bottle of brandy or whiskey behind.
W504 TIL: Mike Merrill has modeled his life after the stock market. He’s issued 1,000 “shares” of himself and life decisions are made by his shareholders’ votes. Some of the life decisions his investors have made for him are his hair color, the car he drives, his love interests, and even his diet.
MEaV TIL Dwight D. Eisenhower said “The cost of one modern heavy bomber is this: a modern brick school in more than 30 cities. It is two electric power plants…It is two fine, fully equipped hospitals…We pay for a single destroyer with new homes that could have housed more than 8,000 people.”