this post was submitted on 07 Aug 2023
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141
US scientists achieve net energy gain for second time in a fusion reaction (www.theguardian.com)
submitted 1 year ago by [email protected] to c/[email protected]
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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

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[–] [email protected] 5 points 1 year ago

How 'Net' are we talking here?

I remember one video, maybe from Tom Scott or Thunderf00t or Veritasium that explained that the term 'net energy gain' in fusion reactors was being used a little too flexibly and when you look at the larger picture it's actually like -50% gain.