› added 11 years ago

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TIL that as impressive as the Lockheed SR71 was, it had a secret older brother (the A-12) which was even faster, lighter, and had a higher service ceiling.

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xbn0 TIL that in 1879, 150 British troops fought off 4000 Zulu warriors, with only 17 casualties
wXjJ TIL of Turtle Ships, 15th century armored warships that were essentially fire-breathing sea tanks of their day.
N60e TIL that before 2012 the largest buyer of kale in the US was Pizza Hut, and they only used it as garnish around their salad bar
aOgJ TIL there is an extinct genus of ape, Gigantopithecus blacki, which stood up to 9.8 feet tall, weighed as much as 1,190 pounds and have lived alongside modern humans for tens of thousands of years.
GAKW5 TIL that increasing the wind speed by 2x increases the wind power available by 8x