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TIL that Sony patented Smart Contact Lenses that can record what you see

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wLR8W TIL learned about "Ether Frolics" A social gathering in the early 19th Century where partygoers would congregate to sniff ether. It was cheaper than alcohol and easier to come by than nitrous oxide, another favorite.
rRLd4 TIL that generations cycle throughout history. A passionate generation (Boomers) is always followed by a cynical one (Gen X), then a practical one (Millennials), and finally a pragmatic one (Gen Z). You can compare Gen Z to the Silent Gen due to this, who both faced surprisingly similar challenges.
0d4kj TIL a clear fishing wire is attached to posts surrounding the entire perimeter of Manhattan. From 1st Street to 126th. This string is part of an Eruv, a Jewish symbolic enclosure. Many observant Jews in Manhattan rely on this string to leave the house on the Sabbath.
d6RQ TIL Ecuador are going to sell a third of its Amazon rainforest to Chinese oil companies.
OGb04 TIL 39-year-old Gretchen Molannen committed suicide in 2012 after struggling for 17 years with a rare sexual disorder called persistent genital arousal disorder (PGAD), which is characterized by persistent, unwanted genital sensation or arousal that can be devastating for sufferers.