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US scientists achieve net energy gain for second time in a fusion reaction (www.theguardian.com)

submitted 11 months ago by [email protected] to c/[email protected]

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[–] [email protected] 3 points 11 months ago

I'm not sure if the time scale would be measurable. Nanoseconds at most. But the relevant part is that it's ignition.

A device to harness inertial confinement fusion would work very very differently to a magnetic confinement one if that were the goal here (it's not, it's a weapons research facility). Essentially heating something up a lot in milliseconds and then extracting the heat over hours to months.