Inventions that Shook the World | The 1930s

Though overshadowed by the Great Depression, there is no shortage of ingenuity in the 1930s. The two-way radio gets miniaturized, and the world's first portable walkie-talkie goes on the air. The electric guitar changes popular music forever, and commuters become a cash cow for cities when the parking meter is introduced.

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.