› added 12 years ago

86

TIL WD-40 is not patented, to avoid disclosing its full ingredients, making it harder to copy

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xVQak TIL that Rep. John Lewis gave one hell of a speech at the 1963 march on Washington
jNOKE TIL: Big circles of brick set in the pavement of some San Francisco intersections aren't meant as old-timey street decoration. They mark buried emergency water tanks in case the city ever catches fire again. They were put in after The Great Fire of 1906 (the big earthquake then broke water mains).
Z8o5p TIL that The Beatles made a petition in order to try to get Mick Jagger to portray Alex in A Clockwork Orange.
nB6b TIL World War II bomb shelters underneath London are being converted to hydroponic gardens lit with wind-powered LEDs.
0dyN5 TIL although Alaska cost 2 cents per acre when it was purchased for $7 million, it is an expensive place to govern due to how remote it is, its weather and natural disasters like the 1967 earthquake. Projects like the Alaska railroad were also more difficult and expensive to execute than anticipated