News Physics

In a breakthrough experiment, nuclear fusion finally makes more energy than it uses

The long-awaited achievement raises hopes for developing a clean energy source

an illustration of a nuclear fusion experiment showing dozens of blue laser beams pointing at a capsule-shaped object with three red rings inside, and a white orb at the center

In an experiment (illustrated), blasts from 192 powerful lasers at the National Ignition Facility in Livermore, Calif., ignited nuclear fusion in a pellet of fuel that, for the first time, provided more energy out than the lasers put in.

LLNL

By James R. Riordon

- More than 2 years ago

Updated

Read another version of this article at Science News Explores

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