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TIL New Zealand has a launch facility which has been used to put spy satellites in orbit for the USA

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78Gd7 TIL that German scientists in the 1930s were the first to conceive of the atom bomb, but their research was abruptly ended in 1939 when the government conscripted them. The Nazis never got close to making a functional atom bomb because their scientists were in the battlefield.
m88o TIL on average prison food is healthier than school food and is cheaper per person.
Z8BEa TIL that Leonardo Da Vinci invented ball bearings - a friction-reducing part without which no modern machinery would be possible
Yo8d TIL the lowest sound ever recorded is 57 octaves below middle-C and is from a black hole in the Perseus Cluster.
VBJ4G TIL Benjamin Franklin ran the first placebo-controlled blind experiment. In 1782 King Louis XIV hired a group of scientists to investigate Franz Anton Mesmer's medical practices. Mesmer's cures were tried against nothing/fake treatments and ultimately the fakes worked as well as the 'real' cures.