&gt; <i>dismantling even the stars themselves</i><p>It&#x27;s unclear whether that&#x27;s actually feasible from an energy balance perspective. You&#x27;ll need a lot of energy to re-arrange things on that scale. Each star is already sitting at the bottom of its own local energy well.<p>Maybe the far future will discover radically new ways to produce energy - but until then, this whole thing about the wave of computronium flooding the universe is pure speculation.