Lawrence Livermore proved over 4X power gain from laser fusion in April 2025. Upgrading to 3.0MJ laser power would take more upgrades but could deliver 20-40X gain. This would be well on the way to proving the 100-200X science gain that is believed to be needed for viable commercial fusion reactor designs. There would also ...

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Link :
https://www.nextbigfuture.com/2025/05/laser-fusion-could-get-to-commercial-fusion.html