eli5: To make fusion energy viable, we need to get out more energy than it takes to actually run the process. But doesn’t that contradict the laws of thermodynamics (getting more energy out then you put in)?

Question

eli5: To make fusion energy viable, we need to get out more energy than it takes to actually run the process. But doesn’t that contradict the laws of thermodynamics (getting more energy out then you put in)?

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Answer 1

There was a podcast last week on BBC that explained this and why it doesn’t Curious Cases of Rutherford and Fry