After decades of attempts, scientists have finally created a nuclear fusion reaction in a lab. On today’s show, what this breakthrough means for the future of energy.:Last week, the Energy Department announced that for the first time, scientists have been able to produce a fusion reaction that creates a net energy gain. This essentially means that in a lab-based setting, researchers were able to replicate the nuclear reaction by which energy is created within the sun. It’s a major milestone in a decades-long, multibillion-dollar quest to develop a technology that could provide unlimited cheap, clean power.While nuclear fusion is still at least a decade – and maybe many decades – away from commercial use, officials from the scientific community and the government are looking at this moment as one of deep promise, in the hopes of developing carbon-free power. Innovation reporter Pranshu Verma unpacks how nuclear fusion works and what this could mean for the future of the planet.

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