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TIL: George Clooney was Batman in 1997.

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5lXn TIL typefaces (fonts) are not protected by copyright in the United States as they are considered to be “utilitarian objects whose utility outweighs any merit that may exist in protecting their creative elements.”
ZDwo TIL in 1945, a radar engineer named Percy Spencer was working at Ratheon. He stepped in front of a magnetron, a device that powers radars. He noticed a chocolate bar in his pocket had melted. Later that year, he filed a patent for the first microwave oven.
vPXAx TIL that the official multi-nation search for the doomed MH 370 aircraft was the largest and most expensive aviation search in history. 19 vessels and 345 aircraft sorties combed 4.6 million square kilometers of the Southern Indian Ocean for an approximated cost of US$155 million.
wo0rP TIL inventor Yoshiro Nakamatsu holds 3,377 patents (e.g. the floppy disk). He finds inspiration by going on long underwater swims while holding his breath as long as he can "to starve the brain of oxygen." Then at "0.5 seconds before death" he jots down his idea on a waterproof notepad & surfaces.
yVj7a TIL the oldest hotel in the world is Nishiyama Onsen Keiunkan in Japan. It was founded in 705 AD.