"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." England's Joint European Torus (JET) tokamak has produced 59 megajoules of energy for five seconds, ...

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Hot stuff: The first plasma has been recorded at the upgraded Mega Amp Spherical Tokamak. (Courtesy: Culham Centre for Fusion Energy) Officials at the Culham Centre for Fusion Energy (CCFE) in ...

UK-based nuclear fusion company Tokamak Energy said it is developing new laser measurement technology crucial for controlling extreme conditions inside future fusion power plants and delivering clean ...