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TIL the American Military’s C-5 Galaxy is nicknamed FRED by aircrews for “Fucking Ridiculous Economic (or) Environmental Disaster”. Due to the C-5 using large amounts of fuel, maintenance, reliability, & cost of production.

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yQK7a TIL Brain activity appears to continue for around 10 minutes after people are dead, especially in the part that controls the memory.
E10YX TIL Many “Vampire killing kits”, allegedly from the 19th century, are sold in auction houses such as Sotheby’s, for upwards of $12,000. However, their authenticity is debatable as they contain materials that place them as being made in the 1930s or later. There is also no historical basis for them.
awZ4A TIL The prototype of the Rolls Royce Ghost was so quiet inside that it made test drivers sick. The engineers had to remove some of the noise isolating material, and create seats that vibrated at specific frequencies to introduce some noise into the interior.
j6pmp TIL the Ovsiankina effect describes the innate human urge to finish tasks we've initiated. This tendency to resume an interrupted action is especially prevalent when the action hasn't yet been achieved.
MB80 TIL that, by law, no US officer is ever allowed to outrank George Washington, and he was posthumously promoted to “six star general” to make sure.