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

  • ∟⊔⊤∦∣≶@lemmy.nz
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    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.