Inventions That Shook The World

Documentary
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There are no inadequacies

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.

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Inventions That Shook The World
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.
S1E4 45 min