› added 3 years ago

149

TIL the AC/DC song, 'High Voltage' is literally the cords A, C, D and C by design.

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loOpV TIL That Napoleon demanded a method of communication that would not require light or sound. Therefore ‘Night Writing’ was developed as a tactile military code, but proved too difficult for Napoleon’s troops to learn and was rejected. Night writing became the basis for braille.
7wBM TIL that all through the 20th century, and up until 2007, parts of Lower Manhattan were still wired up with and using Edison’s original 110V DC.
p8Rl8 TIL that the Windscale Fire - the UK's worst nuclear accident - would have been much more severe, were it not for "Cockroft's Folly" - chimney filters installed at great expense, and labelled as a waste of time and money.
rg1W TIL that to put the roof on giant natural gas silos, they build the silo around the roof with an airtight fit, then use fans to slowly raise the roof up to the top
8aPyX TIL In 1957, a terminal cancer patient was given a worthless drug that caused his tumors to “melt like snowballs on a hot stove.” When he found out it was proven worthless, his cancer returned. He was given a placebo version and it went away again. Got truth again and died.