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The long wait for fusion power may be coming to an end

– Tom Metcalfe, NBC

Renewable energy sources like solar and wind account for a growing share of the world’s electric power. That’s no surprise, given concerns about the carbon emissions from fossil fuel-fired power plants and their harmful effect on the climate.

Another form of nuclear energy known as fusion, which joins atoms of cheap and abundant hydrogen, can produce essentially limitless supplies of power without creating lots of radioactive waste.