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105

TIL Only 16 years elapsed between the first humans to stand at the summit of Mt. Everest and the first humans to stand on the Moon.

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Ypk4B Metallic microlattice is the lightest metal structure ever created. It was developed by scientists at HRL Laboratories, jointly owned by Boeing and General Motors. While it's 99.99% air, its structure makes it strong and could be used in future planes and vehicles.
WWgA TIL that the word Hello only began being used as a greeting when the telephone was invented, credited as a suggestion by Thomas Edison to be used when answering the phone. Alexander Graham Bell, his competitor, preferred Ahoy.
E1jNV TIL that, before becoming a reknowned chef, Julia Child was a member of the OSS, which was the precursor to today's CIA. She had top secret clearance and led the development of a shark repellent. She wanted to be a field agent, but was precluded from doing so because she was 6' 2" tall.
mjGO TIL that when Parliament passed the Tea Act in 1773 it made the price of the tea (even with the tax included) cheaper than the competing smuggled Dutch tea. Americans refused to buy the cheaper tea because to do so would recognize Parliament’s right to tax the colonies.
b9BME TIL Saddam Hussein commissioned a calligrapher to write a copy of the Quran using his blood as ink. The 605 page book contains roughly 27 liters of his blood and is kept in a mosque in Iraq behind 3 vault doors.