› added 8 years ago

303

TIL that those random blue reflectors on the road actually serve a purpose… they indicate the presence of a fire hydrant on the side of the road

Read more slate.com

via ift.tt

Y7xG7 TIL two men had their arms torn off at the shoulder during a game of Tug-of-War in 1997. The game had over 1600 participants. Their arms were successfully reattached.
4XvrR TIL After an assassin had shot him while leaving an Opera House Dutch Ruler William the Silent believing these to be his last words told his bodyguards that he forgives the man who killed him and pardons him for the crime.
b604Q TIL the charity single "That's What Friends Are For" sung by Dionne Warwick, Elton John, Gladys Knight, and Stevie Wonder was first recorded in 1982 by Rod Stewart for the soundtrack of the film Night Shift.
PYNJE TIL about Project Mohole, a failed attempt in the 1960s to drill all the way through the Earth’s crust to reach the mantle
awEYM TIL that time of flight (ToF) sensors in our modern smartphones actually bounce a signal off the object in front of it and record how long the signal takes to return to the sensor in order to measure distance, kind of like radar