https://singularityhub.com/2023/08/11/physicists-achieve-net-energy-gain-in-a-fusion-reaction-for-the-second-time/
Physicists Achieve Net Energy Gain in a Fusion Reaction for the Second Time
Aug 11, 2023 - Initiating fusion typically uses much more energy than the reaction generates, making a commercial fusion plant a distant dream at present.
net energy gain