› added 9 years ago

176

TIL There’s a prison in Brazil that allows inmates to pedal stationary bicycles, providing electricity to a nearby city in exchange for reduced sentences.

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BrmbK TIL the population of Baltimore is less now than it was a hundred years ago
wor9E TIL that the NFL made a commitee to falsify information to cover up brain damage in their players
j6oyj TIL Hydrogen-alpha solar telescopes work thanks to an optical device called an etalon, made up of two semi-reflective, optically flat plates. The flatness of the plates and how parallel they are defines the quality of the view of the Sun, which has an ‘orange peel’ appearance through the telescope
8aJK TIL: The Boyscouts burn the most US flags in the World, as it is actually the most respected way of disposing of a Flag
yQEbw TIL only 3 countries use heavy/strategic bomber aircraft today: Russia, USA, and China.