› added 5 years ago

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TIL that Plan B isn’t as likely to work if you weigh over 175lbs and I feel like all women should know about this.

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via reddit.com

mxWdE TIL that tank silencers exist, and they’re bigger than the tank itself. They cost 100000$ to build.
VD9p TIL Until 1735 no new metals had been discovered since prehistoric times; iron, copper, silver, gold, zinc, mercury, tin, lead & bismuth. When Georg Brandt recognised a tenth, Cobalt, he became the first ever known person to discover a metal. For thousands of years cobalt was mistaken for bismuth.
neNZP TIL When the U.S. Half-Cent was discontinued in 1857 for not having enough buying power, it was worth about the same as a modern U.S. Dime
0wydN TIL: It costs $5,984 to get a pound of materials to the ISS on Space X's Falcon 9.
wLvbP TIL of the Flannan Isles Lighthouse, known for the mysterious disappearances of its keepers in 1900. The entrance gate to the compound and the main door were both closed, beds were unmade, and the clock was stopped. The set of oilskins found suggested one of the keepers had left without the others.