› added 2 years ago

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TIL that scientists created contact lenses that zoom when you blink twice through the use of electric impulses

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via reddit.com

0wByA TIL that the US fought a culture war against sagging pants during which at least one person was jailed and numerous others were fined, suspended, and "urkeled"
v14OD TIL: Somebody is serving 30 years in the Supermax Prison for "plotting to build an industrial X-ray machine that would spew lethal doses of radiation powerful enough to kill people from a distance"
QNgpL TIL if a Catholic man needs a semen sample to diagnose infertility, he's supposed to do so by recovering it from a non-lubricated, perforated condom after normal intercourse
W76Ld TIL it took world population over 2 million years to reach 1 billion, but only 207 more to grow to 7 billion.
VBWP8 TIL about Operation Cottage. A joint US-Canada military operation in 1943 to take back an occupied Alaskan Island. Unfortunately, Canadians and Americans mistook each other for Japanese and open fired, killing 92 soldiers and wounding over 200 others.