Inventions that Shook the World | The 1940s

War is the driving force behind much of the innovation in the 1940s. The microwave is born after a self-taught inventor realizes that military equipment is responsible for melting a chocolate bar in his pocket, and a sailor returns home and hits pay dirt with an invention that finally brings cats in from the cold: kitty litter. About Inventions That Shook The World: Go on a decade-by-decade voyage of discovery through life-changing inventions, like the radio that made the world smaller, the machine gun that made it more dangerous, or the parking meter that made it more expensive. Discover and bear witness to the most innovative century the world experienced. #inventions #microwave #kittylitter #popculture #history