It’s possible our universe isn’t in a true vacuum, but a false one, an unstable one.
Your prompt is VACUUM DECAY.
We’re metastable
We could stay that way, or you
Could fuck it all up
If we aren’t in a true vacuum, if we’re in an unstable universe, a false vacuum, then something could, at any time, push the universe into a phase change. Essentially the false vacuum would decay and the true vacuum would take its place. This could, in the blink of an eye, destroy life and chemistry as we know it. Read more here and here.
Chaos, just waiting,
To happen any moment,
And end all known life... 😎
Flick of the switch -
Suddenly, new particles,
new physics, no you