› added 12 years ago

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TIL that many quantum mechanical properties can be replicated on the macro scale using silicon droplets bouncing on a sheet of vibrating silicon. These droplets act like quantum mechanical particles and can even replicate Young’s double slit experiment on a human scale.

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e0eM6 TIL that a fake smile is called 'The Pan Am smile', named after the airline Pan American World Airways, whose flight attendants would always flash every passenger the same superficial smile.
OKe4 TIL that research indicates black americans really do tip waiters less than whites americans, but likely as part of a cycle: waiters resist serving African Americans, or they provide poorer service, which discourages blacks from patronizing table-service restaurants.
jKVj TIL that when a person experiences sleep paralysis, it is quite common to feel a presence in the room like a ghost called an Intruder.
d8wMB TIL that Queen Elizabeth II is considered the first head of state to have used electronic mail. On March 26, 1976, sent her first email while taking part in a network technology demonstration in Malvern, England. The message was transmitted over ARPANET, the forerunner of the modern Internet.
69m5J TIL that serial killer Luis Garavito (killer of 193-300+ children) planned to become a politician, pastor, and pediatric social worker upon his release from prison after the Colombian government reduced his sentencing to 22 years. He died in 2023 just months before he was to be released.