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Fusion: Looks familiar?

It is commonplace to say that fusion is always 50 years away. Janet Wood looked behind the cliché and found at least one company that wants to have its first commercial-scale plant ready to go in five years. Will any of it look familiar to investors?

Fusion researchers are always keen to talk through the reaction. That’s not surprising: it requires them to create a plasma and compress it so much, at temperatures in the thousands of degrees, that the same fusion process takes place as happens in the sun.

But I take it as read that it will work eventually.

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