› added 12 years ago

107

TIL that on April Fool’s Day 1997, Wheel of Fortune host Pat Sajak and Jeopardy host Alex Trebek swapped shows for the day.

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6A0l TIL that the term “debugging” actually originated, and was popularized by Grace Hopper when her associates discovered and removed an actual moth that was stuck inside a relay of the Harvard Mark II, impeding its performance.
j648X TIL the human body can naturally settle into a sleep-wake cycle of up to 50 hours, when there's no day/night cycle to observe. In 1962 geologist Michel Siffre entered a darkened cave, where he planned to remain for two months tracking time assuming 1 sleep equals one day, but he was off by 2 weeks.
yQnGe TIL In case of an emergency, Switzerland could fit 114% of its population in bunkers.
VBAZD TIL that Panama hats may take a master weaver up to 8 months to produce, at a price of $200. The best hats can sell outside of Ecuador for 50x what the weaver is paid
p6Pb TIL when an underwater bubble is popped with a soundwave, it produces light. After 70 years of trying, scientists still can’t explain it