› added 4 years ago

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TIL the US Navy has 6 standard alarms for specific scenarios on a submarine. Each alarm sounds different, has immediate actions and priority- collision, diving, missile emergency, missile jettison, general, and power plant casualty. A mnemonic for the order is, "Can Dead Missile Men Get Pro-Pay?"

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MRO0 TIL that GPS devices are programmed to automatically shut off if they detect themselves to be traveling more than 1,200 mph at a attitude of more than 60,000 ft, just in case it is attached to an intercontinental ballistic missile.
jNQGp TIL Learie Constantine, a Trinidadian Cricketer, Lawyer and Politician, who served as Trinidad's High Commissioner to the UK and was the UK's first Black Peer, successfully sued a Hotel Company in London in 1943, which had earlier denied him and his family accommodations based on their race
WGA4 TIL of John Titor, who claimed to be from the year 2036 and was looking for an IBM 5100 for its ability to debug and emulate code between various languages. IBM engineer Bob Dubke confirmed that, at the time, this feature was unknown to the public. Titor disappeared soon later.
QJjmX TIL the NYPD once used a photo of three-time Oscar nominee Woody Harrelson to find and arrest a beer thief who looked like the actor.
nepLd TIL a toilet hose & spray head ($15) must not be installed without an RPZ valve ($400). The fresh water supply to your house and your whole street can be infected with bacteria.