Stephen Hawking: Why we should embrace fusion power
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In an exclusive video for BBC Future, the world's most famous physicist explains how he would like to change our society.

How can we build a better world for tomorrow?

At the launch of Cambridge University’s Big Data Institute, we recently asked the physicist Stephen Hawking to describe the one idea that would transform our society. He chose nuclear fusion – the process of releasing energy by transforming hydrogen atoms into helium.

Professor Stephen Hawking - my World Changing Idea

View his answer in the exclusive video above and read our recent article about the latest attempts to harness this source of power here.

The clip forms part of our World-Changing Ideas series, centred on a recent event in Sydney on 15 November. To get a taste of other revolutionary concepts, browse our infographic or read our in-depth articles on:

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