› added 12 years ago

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TIL Scuba divers use Magna Doodles to pass notes underwater

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OoY71 TIL in the 1940s, AT&T sued Harry Tuttle for inventing the Hush-A-Phone—a device that silenced phones from eavesdroppers. AT&T argued the “device hadn’t been installed by their company” and the FCC voted in AT&T’s favor, but Tuttle continued to fight the case in open court and eventually won.
W70l4 TIL that a toast sandwich is something that exists. There was a recipe for it in the ‘invalid cookery’ section of the 1861 Book of Household Management and in 2011, it was recreated by the Royal Society of Chemistry.
eb9J TIL: There is an island known as “Just Room Enough Island” that has just enough room for a tree and a house.
nKd9 TIL Half Price Books was founded by two men who pooled 2,000 of their own books as the store’s first merchandise.
7kXx TIL gold on Earth came from colliding neutron stars