› added 1 year ago

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TIL that during WWII, the British MI5 used a "double cross system" to turn German spies into double agents, misleading the Germans about the D-Day invasion's location and timing, which contributed significantly to its success.

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neJEY TIL: Japan has an S&M-themed gym where a professional dominatrix is your personal trainer.
9waM TIL Sperm whale oil was still a key component in automatic transmission fluid until 1972!
YKoW TIL During WWII, a single Australian division was purposely left behind, and ended up holding off the German army for 241 days. They protected the key port city of Tobruk, forcing the German supply lines to stretch over 900 miles to the next available port.
Bg41K TIL Cubesats are a standardized system for small satellites, making launch and deployment easier.
rNVye TIL - There are 12’000 tonnes of ordnance ammunition and bombs in various lakes across Switzerland, including phosgene bombs in lake Geneva (Leman)