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TIL that in 1904, the Hotel del Coronado in San Diego, California unveiled the world's first electrically lit outdorr Christmas tree

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D1KRv TIL Many people released from prison after wrongful convictions don't get compensation from state governments and are not able to sue them, so an attorney in Oakland started a small nonprofit dedicated to finding them and helping them get back on their feet.
PYEyE TIL That in 1973 IBM offered its UPC bar code proposal to the grocery industry for free. The industry accepted a very close standard to their proposal. However, IBM also made the first technology capable of reading the bar codes, and made tons of money selling the equipment to grocery stores.
4krYg TIL about Adolphe Sax, the inventor of the saxophone. Sax survived multiple near-death experiences, including falling from a height, swallowing a pin, and surviving poisoning. Despite these challenges, he went on to revolutionize music with his creation of the saxophone in 1846.
XEOAr TIL gold nanoparticles are showing promise for cancer treatment. Clusters of gold nanoparticles sit on the surface of a cancer cell. When hit with a burst of infrared light, the clusters vaporize nearby water, creating bubbles of vapor that burst and tear apart the cell.
Q96E TIL A nursing home shut down and staff went home even though there was more than a dozen patients STILL THERE. Cook and Janitor stayed and cared for them for two days!!