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posted by robind on Thursday February 13 2014, @04:56PM   Printer-friendly
from the 50-years-away dept.

amblivious writes: "For the first time, laser-driven fusion has passed a milestone called fuel gain, the point at which more energy is produced than is consumed in starting the reaction. In a trial at the National Ignition Facility late last year, 15 kilojoules of energy was released with an input of 10 kilojoules (Nature). Although this is not yet a self-sustaining reaction because the reactor as a whole consumes more energy it is expected that collisions with helium nuclei generated in the reaction will lead to ignition. See the article at New Scientist for more information."

 
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  • (Score: 1) by Covalent on Friday February 14 2014, @06:17PM

    by Covalent (43) on Friday February 14 2014, @06:17PM (#88) Journal

    I know, I know...fusion is only 20 years away. But getting more energy out than you put in (minus the lasers, of course) is a big deal. They still need 2 orders of magnitude to REALLY break even, but then 20 years ago we were 2 orders of magnitude away from fuel input break even.

    --
    You can't rationally argue somebody out of a position they didn't rationally get into.