› added 5 months ago

13

TIL helicopters can produce deadly turbulance at airfields which can make small "General Aviation" aircraft lose control and crash if not properly managed.

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V9EB TIL That originally to be kept secret until 2029, all existing documents related to the John F. Kennedy assassination will be publicly disclosed by October 2017.
x6vxg TIL about psychedelic cryptography - messages that only people under the influence of psychedelics can understand.
X0wyj TIL that the Supreme Court of the United Kingdom was only established in 2009. Before then, the final court of appeal in the country was the House of Lords, the upper house of the U.K. Parliament.
Z8MDo TIL of a North Korean defector who escaped to China, returned to see his family, then escaped again to Thailand, went to Argentina, then trekked through South and Central America to sneak into the US through Mexico. He is now a US citizen.
vxmR TIL that mandatory right-hand traffic was introduced in Europe by Napoleon with the aim of deterring swordfighting on horseback, and because the traditional left-hand traffic was seen as aristocratic. Since he never conquered Britain, left-hand driving would remain there.