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TIL In 1920, the worlds largest lightbulb manufacturers (including GE) formed the “Phoebus Cartel”. The cartel lowered operational costs and standardized the life span of incandescent light bulbs at 1,000 hrs (down from 2,500 hrs). These were the primary lightbulbs sold up until the 21st century.

by whatilearned October 27, 2022, 7:00 am

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TIL of the Oriflamme. It was the battle standard of the King of France during the Middle Ages. When raised during battle, no prisoners were to be taken until it was lowered

by whatilearned September 20, 2022, 5:53 pm

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TIL about the KOLA superdeep borehole, with 40,000 ft or 7.6 miles which is the deepest artificial hole on earth. The “well to hell” urban legend originated from here, where workers allegedly heard noises of the tortured souls through a microphone lowered into the hole.

by whatilearned August 9, 2022, 5:15 pm

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TIL that expectant fathers experience hormonal changes as well. Testosterone and estradiol are lowered.

by whatilearned June 19, 2022, 2:40 pm

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TIL Jimmy Carter helped prevent total disaster at an experimental nuclear reactor in Canada: “he was lowered into the building … with his wrench, and he had to run over to the reactor casing and he had one screw to turn. That was all the time he had. And then, boom, back up.”

by whatilearned June 14, 2022, 11:56 am

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TIL In 1952, during his stint in the Navy, Jimmy Carter was once lowered into a damaged nuclear reactor as part of the clean-up process. This resulted in him having measurable levels of radiation in his urine for about the next six months.

by whatilearned March 8, 2022, 5:45 am

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TIL about Joe Simpson, who broke his leg descending a mountain and was lowered off the mountain by his climbing partner Simon Yates. He ends up falling off a cliff and into a crevasse after Simon is forced to cut the rope. He survives and crawls 8 miles to safety. Better story in link.

by whatilearned February 7, 2022, 10:09 pm

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What’s something that lowered your self esteem to the depths of hell?

by QuestionGuy November 23, 2021, 4:12 pm

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TIL about Project Azorian. In 1974 the CIA built a gigantic claw and lowered it three miles to the bottom of the Pacific Ocean to snag the entire wreck of a sunken Soviet submarine. And they partially succeeded.

by whatilearned October 21, 2021, 10:44 am

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Which product would improve humanity most if it’s cost were lowered to $1?

by QuestionGuy September 14, 2021, 3:51 pm

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TIL Apollo astronauts would breathe pure oxygen for several hours before flights in order to avoid getting the bends when the cabin pressure was lowered after liftoff.

by whatilearned August 28, 2021, 5:55 am

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Hand Sanitizer Cuts MRSA Risk Each dab of alcohol hand sanitizer used in British hospitals lowered multidrug-resistant staph (MRSA) infection rates by 1%, a UK study shows.

by DailyHealthNews July 14, 2021, 10:10 am

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