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TIL: The United States Space Force has a official Space Force song

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via reddit.com

PYEML TIL that Walt Disney helped the Army design a Mickey Mouse gas mask in the ‘40s to make chemical warfare less frightening to kids
64KQ TIL That the X-rays from an atomic bomb are so powerful, they can compress lithium until it causes a fusion explosion… even without the shockwave. Its called a “Teller-Ulam” nuclear weapon, and it uses an atomic bomb as a “spark plug”.
VMQkp TIL during Richard Ramirez’s murder spree, after it was revealed that shoe prints from Los Angeles crime scenes matched one in San Francisco, San Francisco’s then mayor revealed the information on TV. This enraged police as they knew Ramirez would see it and thus destroy evidence. Which he did.
ne11W TIL that Buzz Aldrin was the first man to urinate on the moon.
7ryjZ TIL that if the universe had one dimension of space and three dimensions of time instead of the other way around, the speed of light would be the LOWER limit of speed instead of the upper limit. Thus, everything would be made of tachyons - theoretical faster-than-light particles.