TIL: Today I Learned
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r/todayilearned, quick and simple!
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TIL since 2020, white LED streetlights have been turning purple because of a defect during the manufacturing process between 2017 and 2019. The yellow phosphor coating was delaminating, and the blue LED began showing through, giving off a purplish glow. https://ift.tt/xpOIwCe
TIL that Salisbury Steak originated in the United States, as a meal to fit the tastes of European immigrants, named after Dr. James Salisbury, who promoted a meat-centered diet to promote health. The term Salisbury Steak has been used to identify a ground beef patty as the main course since 1897. https://ift.tt/gmHNK2n
TIL A 'munchy box' is a popular take away food item in Scotland typically consisting of kebab meat, fried chicken, pizza, chicken tikka, samosas, onion rings, chow mein noodles, pakora, naan bread, garlic bread, coleslaw, other fast foods and sauces such as curry sauce. https://ift.tt/ThJmuzO
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TIL: In 1982, Rodney Mullen became the first person to use a skateboard to perform an ollie on flat ground. An ollie is simply where the skateboard and the skateboarder leap into the air simultaneously. https://ift.tt/jXkJf1o
TIL famed physicist Richard Feynman donated "93 boxes" of papers and writings to Caltech, which has never digitized any of it and will only provide access physically in the reading room of the Caltech Archives to qualified researchers. Caltech holds no copyright on the work. https://ift.tt/FPcgKjd
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TIL after the fires that followed the 1906 San Francisco earthquake, many insurance companies tried to avoid covering the losses, except for Lloyd's of London: "Pay all of our policyholders in full, irrespective of the terms of their policies." This cemented Lloyd's reputation in the U.S. https://ift.tt/IZ2QjSM
TIL Aristotle's payment for teaching Alexander the Great was the reconstruction and repopulation of Aristotle's home village, which had been destroyed and enslaved by Alexander's father. https://ift.tt/JUK8Zu1
TIL in the early 1930s, Cadillac's policy was to not sell cars to black people. In 1933, Nicholas Dreystadt, a middle manager at General Motors, crashed a GM executive committee meeting and convinced them to drop the policy and instead market to black people. Sales increased by 70% within a year. https://ift.tt/GqBPNn5
TIL: Corn plants release thousands of gallons of water into the air every day as they grow (transpiration). This can change the humidity of the air and even the weather in the corn belt. https://ift.tt/XiV1DQL
TIL about Elizebeth Smith Friedman, a pioneering female codebreaker who decrypted mob codes during prohibition and busted up Nazi spy rings in South America, yet was robbed of her due credit by J. Edgar Hoover and died in obscurity in 1980, never revealing her immense wartime service. https://ift.tt/bJfVloT
TIL a boy was hit in the head with a foul ball during a televised game, rather than wait for EMTS to arrive, Jim Rice Ran into the stands and took him into the clubhouse, where he was immediately treated by the team's medical staff. He is credited with saving the boy's life. https://ift.tt/zrun1he
TIL that while the English language is classified as a West Germanic language, its vocabulary also shows major influences from French (about 28% of words) and Latin (also about 28%), plus some grammar and a small amount of core vocabulary influenced by Old Norse. https://ift.tt/8qbB0zn