Editor's Note

Making it work, on paper and just maybe in practice

12:00am, February 12, 2014

Last spring, physics writer Andrew Grant reported on the lack of progress by the main U.S. nuclear fusion effort (“Ignition failed,” SN: 4/20/13, p. 26). As the researchers still contend, laser-initiated fusion should work. It works on paper. But in practice, even a set of extremely powerful lasers failed to trigger the fusion of hydrogen nuclei and the concomitant chain reaction and release of net energy expected.

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