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Tech Time Machine: 23 March

Dreaming the impossible dream is part of what makes us human. So, it's a good thing that Elisha Otis came up with a way of making elevators safe.

Dreaming the impossible dream is part of what makes us human. So, it's a good thing that Elisha Otis came up with a way of making elevators safe — enabling both hassle-free travel and the modern skyscraper.

On the flipside, it's probably a good thing that one of Ronald Reagan's dreams didn't come true. Find out more on today's episode of Tech Time Machine.