› added 11 years ago

111

TIL There exists a mathematical concept of “negative zero”

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R76E4 TIL: During WWII, armies deployed Searchlight Units to aide night time movement, detect enemies and dazzle enemies. They were called "Moonlight Batteries". On cloudy nights, the units could bounce the light off clouds to provide diffuse lighting.
WmgY TIL: The Libyan desert once had a ‘lake of glass’, caused by a meteorite hitting the desert. A piece of this glass is in a pendant in Tutankamun’s tomb.
Rlp8 TIL that it is estimated that the wealth of the royal Saudi family is around 1,4 trillion dollars.
VBVJG TIL Bill Walton and his brother Bruce are the only brothers to play in the Super Bowl and NBA Finals
9Y61M TIL the mathematics that makes WiFi possible was developed by a team of physicists searching for tiny black holes.