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TIL the Air Force operates a secret airline to transport employees to places like Area 51.

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b9nl4 TIL That The Manila Envelope is Called That Because of Its Main Component: Manila Hemp
Blmr TIL: During the Deepwater horizon crisis, two Dutch competitors, owned cleanup technologies that were superior to anything owned by the U.S. However, the Jones Act, required that all goods transported between U.S. ports be carried in U.S.-flag ships, constructed, owned and crewed by U.S. citizens.
QZbe TIL that in 1848 light-skinned slave Ellen Craft, unable to travel with him as a woman, escaped with her dark-skinned husband by pretending to be both a white man and her husband’s owner. They traveled openly, first class, a thousand miles north from Georgia to freedom.
rRDJd TIL in 1905, in Jacobson v. Massachusetts, the Supreme Court ruled that states could enforce rules that restrain individual liberty, in favor of conserving the safety of the community
R0g1 TIL the tiles used on the space shuttle dissipate heat so quickly you can actually pick up the tile seconds after it has been in a furnace at 2200 degrees