› added 11 years ago

231

TIL that spacecraft designers have to contend with a poorly-understood phenomenon known as “cold welding” where clean metal surfaces can spontaneously weld themselves together in the vacuum of space.

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via reddit.com

5VKyk Today I learned about "Detonography" the art of using explosives to make sculpture.
e0RwD TIL that the first guy to claim that AIDS wasn't caused by HIV (and instead the victims' lifestyles) died of AIDS.
gERD TIL that Coca-Cola once printed “You Retard” on Vitamin Water bottlecaps
7rXKZ TIL that 'Ndrangheta is the world's richest crime group. A 2013 study concluded the group's financial power exceeded that of Deutsche Bank and McDonald’s combined.
yVyap TIL that during WW1 the British government outlawed the act of buying somebody else a drink with the “No treating order”