Every way the universe can end
Heat death, the Big Crunch, the Big Rip, and a stranger fate hiding in the vacuum itself.
1 min read
Tune a universe and you'll watch it die in a dozen ways. Ours has fates too — they just play out over spans that make a human life a rounding error.
The long cooling
The likeliest ending, given what we know: dark energy keeps winning, galaxies drift apart, stars burn out, and the cosmos fades toward a cold, dark, nearly empty equilibrium. Physicists call it the heat death. Nothing dramatic — just the slow exhaustion of every difference that made anything happen.
Crunch and rip
If gravity were to win instead, everything would fall back together in a Big Crunch — the Big Bang in reverse. If dark energy accelerated without limit, it could tear apart galaxies, then stars, then atoms in a Big Rip. Which fate is ours depends on numbers we're still measuring.
The vacuum's secret
Strangest of all: empty space may not sit at its lowest possible energy. If it could 'decay' to a truer vacuum, a bubble of new physics would expand at light speed and rewrite everything it touched. Probably not soon — but it's a reminder that even the emptiness is provisional.
Every universe you break in the Tuner is rehearsing a fate our own may simply be taking longer to reach.