› added 5 years ago

291

TIL In 2005 war games, a Swedish submarine called HSMS Gotland was able to sneak through the sonar defenses of the US Navy Aircraft Carrier Ronald Reagan and its entire accompanying group, and (virtually)sank the US Aircraft carrier on its own and still got away without getting detected.

Read more nationalinterest.org

via reddit.com

8a9YX TIL about a fatal submarine accident from 1963. A nuclear sub, the USS Thresher (SSN-593), sank 610 m (2,000 ft) imploding in 0.1 seconds killing all 128 crew members. During a failed deep dive test, its theorized the sub lost power and its vital ballast systems froze, rendering the ship unusable.
BR1W TIL that in 1921, a man in Detroit went so far as to actually kill himself, apparently in order to then communicate with a chosen spiritualist medium, thus proving that the afterlife was real. It didn’t work.
QYkd TIL that the meme about the Asian woman who got plastic surgery and got sued by her husband after having ugly kids was actually just a model who appeared in an advertisement. She is now unable to get modelling work, despite never having received plastic surgery.
b9GW0 TIL about Marshall McLuhan who predicted the internet 30 years before it was invented.
J1pNm TIL in 1722 Philip Ashton was captured by the pirate Ned Low although he eventually escaped in the spring of 1723 when the pirate landed at uninhabited Roatán island in the Gulf of Honduras. After the pirates stopped looking for him, he proceeded to survive 16 months as a castaway on the island.