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TIL that birds are dinosaurs

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R55P7 TIL that Thomas Edison used to bite his piano
WEl8 TIL that Teddy Roosevelt advocated women’s suffrage in his senior thesis (1880) making one of his professors say he was too influenced by feeling to be entirely masculine
P1YNn Today I learned that there is an art/practice of reading code when you haven't been given a cypher called cryptanalysis. Cryptanalysis is decryption and cryptography is encryption
AN9Go TIL Firefighters use wetting agents to make water wetter. The chemicals reduce the surface tension of plain water so it’s easier to spread and better soaks into objects, which is why it’s known as “wet water.
WkDbA TIL learned that the treadmill was designed as a torture device for prisoners.