› added 12 years ago

101

TIL President Eisenhower predicted Holocaust Deniers, so he ordered pictures be taken of concentration camps.

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jNZKQ [TIL] about Sagan's Paradox. Carl Sagan calculated that 1 million space fairing civilizations existed and for one civilization to visit the others, it would require 10,000 launches per year and all the material in 1% of the universe's stars.
deX8 TIL during World War 1, feminists and suffragettes handed out white feathers to shame men into enlisting in the army and lobbied for instituting an involuntary draft of men, including those who lacked votes due to being too young or not owning property.
Y7RJ7 TIL the French nobility is still around and larger than before the Revolution
M7B8W TIL in WW1, ten Vickers machine guns fired over one million rounds in a 12-hour period to provide sustained covering fire. To cool the guns, they used all the water in the neighbourhood, including drinking water and the contents of latrine buckets.
dver There is a song that has been proven to help you sleep. “The result on listeners is a slowing of the heart rate, reduced blood pressure and lower levels of the stress hormone cortisol.”