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TIL Bullet Proof Vests have a recommended lifespan 5 years while used in service

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PYZvZ TIL One of the first recorded applications for a closed circuit television system (CCTV) was back in 1942 in Nazi Germany, where it was used to monitor the launch of V2 rockets.
kO5De TIL the US military uses dolphins to find and identify underwater mines because they are better at it than humans.
0d0RL TIL that experiments conducted by academic specialists in animal communication "suggest that slow blink sequences may function as a form of positive emotional communication between cats and humans."
mxb1x TIL that The Republic of Estonia is digitalized and their government is completely running in the clouds.
D17oP TIL The Butthole Surfers were once named The Inalienable Right To Eat Fred Astaire's Asshole.