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TIL in 1969 the Department of the Army released TM 31-210, which describes in detail the manufacturer of munitions from seemingly innocuous locally available materials.

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yVrRa TIL that during Napoleon's 1798 Egyptian campaign, he brought along 167 scholars, scientists, and artists to study ancient Egypt. This "Scientific Expedition" led to significant discoveries, including the Rosetta Stone, which was key to deciphering Egyptian hieroglyphs.
wLY6Y TIL: 75% of the world's spices come from only one country- India
v1Adj TIL John Von Neumann was an American polymath who is known as the last of the great mathematicians. On his deathbed, he entertained his brother by reciting the first lines of each page of Goethe’s Faust word-for-word by heart. He knew state secrets, so federal agents guarded his bed till his death.
oBajE TIL that in 1961 the cost per GFLOPS for computer performance was US$145.5 billion dollars adjusted to US 2013 inflation. As of 2017, the cost per GLOPS was US$0.03 cents. This enormous difference in cost comes out to be a %99.999999999979 decrease in cost per GLOPS over 56 years.
XKlr TIL In 1950, Sen. McCarthy claimed that communists have infiltrated the federal government. On being confronted by Sen. Tydings about these allegations, McCarthy’s staff retaliated by circulating a composite picture of Tydings with the then leader of the American Communist Party.