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by gus_massa 4504 days ago
Fusion with laser has been done before, by the same team. The difference is that they improve the experiment and this time they get ~50% more energy. Or if you evaluate it in other words, the efficiency improve from ~0.6% to 1%, or less depending on what do you define by input energy. More details in other comment: https://news.ycombinator.com/item?id=7227620