US scientists achieve net energy gain for second time in a fusion reaction

The Lawrence Livermore National Laboratory’s National Ignition Facility achieved the feat using lasers to fuse two atoms

US scientists have achieved net energy gain in a fusion reaction for the second time since December last year, the Lawrence Livermore National Laboratory said on Sunday.

Scientists at the California-based lab repeated the breakthrough in an experiment in the National Ignition Facility (NIF) on 30 July that produced a higher energy yield than in December, a Lawrence Livermore spokesperson said.

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