If Keanu Reeves can create a revolutionary new energy source in the film Chain Reaction, then why can’t we do the same in real life? Rick and Michael tackle the challenge of getting nuclear fusion - the ‘Holy Grail of Energy’ - to work on Earth. From superheated plasma to doughnut-shaped magnetic fields, will fusion always be the energy of the future? Or could it actually save us all?

Featuring: Prof Steve Cowley

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