• Phoenixz@lemmy.ca
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    5 hours ago

    Yeah that is not how that works

    The sun is enormous, yeah, but fusion only really happens at the core. A very tiny fraction of the sun is doing the fusion, the rest jlgets heated up, makes gravity and such, bit doesn’t really do anything of interest energy wise.

    Fusion creates a shit tonne more energy than 150w/cm3. Heck, you’ve never seen what a nuke does

    • CanadaPlus@lemmy.sdf.org
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      3 hours ago

      No, OP is right - or rather, OP’s physics professor. There’s different kinds of fusion, though, and nobody’s suggesting we do the exact same kind here on Earth (we basically can’t).

      Fusion creates a shit tonne more energy than 150w/cm3. Heck, you’ve never seen what a nuke does

      That’s power density (Watts). Multiply by 10 billion years to get energy density.