› added 8 years ago

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TIL of Radivoke Lajic, who believes he is the target of an extraterrestrial grudge. His house has been hit by meteorites on 6 different occasions, attracting scientists around the world to try to explain this extreme statistical anomaly

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via reddit.com

RWN7 TIL that Canadian engineers wear a ring to remind them of the seriousness of their profession.
eXyD TIL the three member crew of NASA’s Skylab 4 mission staged a one-day mutiny where they shut off all communication with ground control and spent the day relaxing and looking at the Earth.
epKv6 TIL that the deepest scuba dive of all time was 1,090 feet, set by Ahmed Gabr in 2014. It took him nearly a decade to properly prepare for the dive. While the descent took only 15 minutes, the ascent back to the surface took over 13 hours.
JQ0v TIL: In 1979, Kane Kramer not only drew (quite accuratly) what would become the iPod, he accurately predicted digital music downloads before the internet as we know it existed.
9wDwr TIL that the most advanced semiconductors (as of 2023) are manufactured by precisely shooting a beam of plasma at a droplet of (molten) tin, creating an extreme ultraviolet (EUV) beam necessary to manufacture a 5nm transistor.