technology.org

v1AE7 TIL Typhoon class submarines have a swimming pool and a sauna on board along with other luxury features like a full gym and wood paneled walls.
nePl7 TIL that Sai, traditional eastern asian weapons, were actually more similar in usage to bludgeoning weapons than to daggers - The middle part of a Sai isn't even pointy!
b9jQ9 TIL Scientists reveal how 34.5 million-year-old fish fossils help build up rare earth mineral deposits used to make LED, wind turbines, and rechargeable batteries