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.
The first decade of the 1900s ushers in crucial inventions that will help shape the rest of the century. Communication gets a boost as a voice is transmitted wirelessly by radio for the first time.
S1E1 45 min