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Steven Cowley: Fusion is energy's future


Steven Cowley: Fusion is energy's future
Steven Cowley: Fusion is energy's future
Duration: 9:54

Physicist Steven Cowley is certain that nuclear fusion is the only truly sustainable solution to the fuel crisis. He explains why fusion will work -- and details the projects that he and many others have devoted their lives to, working against the clock to create a new source of energy.