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TIL Pink has no corresponding wavelength, it’s our brains filling in the gap between ultra violet and infra red light in the color spectrum. Put simply, pink is what you get when you remove the color green from white light.

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dDavd TIL that Adidas is actually named after it's owner Adolf Dassler, who created sport shoes along with his brother. Both Adolf and his brother joined the Nazi party in 1933.
OO7Y TIL Henry Kissinger once complained about the lack of recognition of America’s role in the overthrow of Chile’s popularly elected government in 1973, which eventually led to a notorious military dictatorship.
Oopw7 Today I learned that Jeffrey Jones (the Principal in Ferris Bueller) is an actor/convicted sex offender
P1eyO TIL a Dutch pirate captured the Spanish treasure fleet sailing from the New World in 1628. The loss of silver alone was so great that the silver price spiked worldwide, and Spain was nearly bankrupted.
4WMb TIL in 1739 a 16 year old girl in South Carolina was instrumental in creating an economy accounting for 1/3 the value of the colony’s output pre-Revolution. George Washington held her in such high esteem, upon her death he travelled to Philadelphia to be one of her pallbearers.