Scientists repeat breakthrough fusion experiment, netting more power than before

It wasn’t a fluke: Researchers at a Department of Energy (DOE) lab have repeated their breakthrough fusion power experiment. Only this time, the results are even better.
On July 30, lasers once again converged on a tiny gold cylinder containing a diamond-coated, deuterium-tritium fuel pellet. When the beams — as many as 192 of them — hit the inside of the cylinder, their energy was turned into X-rays. Those X-rays then bombarded the fuel pellet, forcing it to implode.
Last time, the resulting nuclear fusion reaction released 3.15 megajoules of energy. This time, it produced more than 3.5 megaj

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