They said it couldn't be done: Nuclear fusion. We visit scientists building a clean power plant that's hotter than the sun — but can they ever deliver? Then: the strange world of cold fusion, the people who hate it and the billionaires betting on it.

A machine to save the world

Actuality explores the inner workings of the new global economy. Brought to you by Marketplace® and Quartz, it’s a podcast that combines the best of our economic smarts. Hosts Sabri Ben-Achour and Tim Fernholz find the interesting in the important and the important in the interesting—and define the issues shaping our daily experience in the global economy. In Season Two, we explore the impossible, with: they said it couldn’t be done. From creating a perfect algorithm to a perfect workforce, we reveal the surprising answers to puzzles that once seemed impossible to solve. Join us for new episodes every other week when in season. Produced by American Public Media’s Marketplace and Atlantic Media’s Quartz. Twitter: @ActualityPod

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A machine to save the world

A machine to save the world

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