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TIL How John Maynard Keynes changed Economics

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P10QG TIL that 5 of the Top 10 wealthiest counties in the USA are MD/VA suburbs of Washington D.C. where the median income is roughly $134,000
j6A0n Today I Learned: In 1679 Papin invented his steam digester (pressure cooker), a closed vessel with a tightly fitting lid that confines the steam until a high pressure is generated, raising the boiling point of the water considerably. A safety valve of his own invention prevented explosions.
loJEa TIL after the big bang only hydrogen and helium along with trace amounts of lithium and beryllium were created. The other 86 elements found in nature were all created by nuclear reactions inside stars.
reNW TIL Sean Smith, one of the Americans killed in the Benghazi attack, was a leading player known as ‘Vile Rat’ in EVE Online. On the day of his death, Smith typed a message online; “Assuming we don’t die tonight. We saw one of our 'police’ that guard the compound taking pictures.”
Eg4xx TIL that although the British Double Cross operation captured or turned all German agents operating in Britain during WWII, the German Abwehr was equally successful in Holland with an operation called Englandspiel, capturing all British SOE agents sent to aid Dutch Resistance.