› added 6 years ago

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TIL Rainbows in the dark are in fact possible. They're called moonbows and occur when the moon is brighter than usual.

Read more www-m.cnn.com

via reddit.com

EgpvW TIL that Australia was the only the third country to launch a satellite from it own soil. Behind only the USSR and the US
negR9 TIL of the gömböc, a convex three-dimensional homogeneous shape that when resting on a flat surface has just one stable and one unstable point of equilibrium. The balancing properties of the gömböc are associated with the "righting response" ⁠ ⁠of shelled animals such as tortoises and beetles.
G69j TIL Medical Errors Are No. 3 Cause Of U.S Deaths
rRgr1 TIL that the town of Why, Arizona was originally known as just "Y" due to the Y-shaped intersection of two roads. It changed its name to "Why" due to an Arizona state law requiring town names to be at least 3 letters long.
v1YMj TIL the loudest undistorted sound possible on earth is 194 decibels. Above that threshold the sound waves become shockwaves.