It's a country of many talented people. Here is a list of some Polish inventions:
- automatic railway signaling, Jan Józef Baranowski 1857
- kerosene lamp, Ignacy Łukasiewicz 1853
- earplugs, Leo Gerstenzang 1923
- electric battery-powered submarine, Stefan Drzewiecki 1888
- bullet-proof vest, Jan Szczepanik 1901
