› added 2 months ago

18

TIL that infrasound can stealthly trouble your eyes and brain, making you perceive "ghosts".

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b9lNE TIL that Russia has “closed cities”, cities that have restrictions on visitors and are sometimes omitted from maps.
p8wrG TIL that the world is facing a global sand crisis because sand and gravel mining greatly exceeds natural renewal rate.
KYNZB TIL In 1890 a political struggle over seating a republican from West Virginia turned so heated it became called the "Battle of the Reed Rules". Speaker Reed ordered the doors barred to prevent a quorum from being denied, though Constantine Kilgore of Texas escaped by kicking a door down.
P14lO TIL in 1952, more than 100,000 U.S. Army troops descended on Lampasas, Texas as part of Operation Longhorn, a military exercise that trained soldiers how to retake a town from communist invaders
m1EDM TIL: Moving Earth is an acknowledged astro engineering concept which moves the Earth away from the Sun to counter rising temperatures. Plausible methods involves using asteroids. However risks include losing the Moon, disrupting seasons, and having the asteroid hit and wipe out all life.