› added 9 years ago

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TIL that the Heimlich Maneuver’s inventor is accused of medical fraud and unethical practices–including the invention of the maneuver itself.

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70Yb TIL of the Photon Sphere, a spherical region of space where gravity is strong enough that photons are forced to travel in orbits. If you were to stand in this region and look straight ahead you would see the back of your head.
b9plj TIL that when J.R.R. Tolkien's son Michael signed up for the British army, he listed his father's occupation as "Wizard"
8ar5X TIL that ears of corn generally have an even number of rows, which is usually 16.
JYpnv TIL during the vajont disaster, a megatsunami created by a massive landslide that killed about 2000 people, was so strong, the wall of water pushed an air pocket more powerful than the Hiroshima bomb, so strong that people's clothes were blown off by the blast before the wave came
D1BLJ TIL The Schwarzchild Radius for Earth is one inch: If you were to compress the Earths mass to the size of a Ping Pong ball, it will become a Black Hole.