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181

TIL that the last American born into legal slavery died in 1972

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AxOl TIL scientists have been working on a mosquito-killing laser that can kill up to 100 mosquitos a second. The system can even distinguish gender and species by calculating the speed at which their wings beat.
9Yo5D TIL the Feynman Lectures on Physics, freely accessible online, is widely appreciated to be one of the most well written summaries of physics, and fully grapsing its brilliantly intuitive explanations allows one to enjoy a true understanding of the concepts
LQmQQ Today I learned that in chariot racing women were allowed to win races through property, although there was a ban on married women participating as competitors or even spectators in the Olympics, supposedly under penalty of death.
loZa7 TIL During times of famine, women are more likely to give birth to girls
jkpQ TIL that the longest tank-to-tank kill in history occurred when a Challenger tank destroyed an Iraqi T-62 at a range of 5100 metres (over 3 miles)