<div dir="ltr"><div class="gmail_signature">Some time ago we talked here about banking matter for future use when ultralow cosmic background greatly magnifies its usefulness for computations. Now I am wondering what kind of approach would the Old Ones use to prevent weeds from sprouting among the galaxies they tend to.</div><div class="gmail_signature"><br></div><div class="gmail_signature">At first glance, I would think they would simply extinguish stars and possibly store matter in containers too small to trigger nuclear fusion but large enough to be gravitationally stable. When the time comes, in 10e100 years, they would awaken, and haul the frozen carcasses to the remaining black holes, and carefully stoke quasar fires again. But how do you prevent rapacious little critters from crawling out of every damp piece of rock every couple of billion years or so?</div><div class="gmail_signature"><br></div><div class="gmail_signature">It's worth noting that simply snuffing out stars won't stop initiation of life. Life on Earth most likely started from an energy source independent of the sunlight - from proton concentration gradients in alkaline seeps, powered by serpentinization of peridotite. Surely there are many other potential energy gradients that can power pre-biotic evolution. </div><div class="gmail_signature"><br></div><div class="gmail_signature">Keeping tabs on the world over eons will be a tall order. The Old Ones would need unfailing will, an unwavering commitment through the long night, absolute unity, since factionalism would almost certainly devolve into ever shorter term fights over resources. The would need to stay lean, so as not to use up negentropy too quickly but not too lean to swat emerging bipeds pronto. Any parasite capable of boosting its von Neumann spores to high sublight speeds could spread appallingly fast, and promptly convert the stored matter into yet more parasites.</div><div class="gmail_signature"><br></div><div class="gmail_signature">The coming night, in mere 10 - 20 billions of years, will be the canvas of titanic struggles among grim forces acting over trillion-year horizons.</div><div class="gmail_signature"><br></div><div class="gmail_signature">Rafał</div>
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