› added 12 years ago

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TIL that there is a “sonic boom” for light, when something travels faster than the speed of light moving through a medium (so it’s slowed down). The result is a brilliant blue glow.

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mRKO TIL that Arnold Schwarzenegger’s personal assistant on the movie Collateral Damage was a 23-year-old college drop-out trying to get into the business named Bill Hader
m1jrP TIL Spotify CEO, Daniel Ek, has been the CEO of uTorrent.
JYLKv TIL that, in Huangluo, the average hair length of the 120 women is 1,7 meters : they only cut their hair once in their life (at age 16) and the remains are attached to their current growing strands, along with their daily fallings strings of hair.
GYKPG TIL about Frisland, a "phantom/imaginary" island off the coast of Greenland which, despite being nonexistent, appeared on virtually all of the maps of the North Atlantic from the 1560s through the 1660s.
M7VpK TIL Missouri, United States has a Single Man Tax (bachelor tax): Single men between the ages of 21 and 50 must pay a $1 annual tax. The law was enacted in 1820, presumably to encourage more men to marry.