Put an outline of a box with the indestructible wall and put singularity in there. You will find it creates a strong vacuum, and unless it destroys itself then it "dies over time" and also heats up. But if you put a single particle of it in a box it hits the wall and disappears.
Put an outline of a box with the indestructible wall and put singularity in there. You will find it creates a strong vacuum, and unless it destroys itself then it "dies over time" and also heats up. But if you put a single particle of it in a box it hits the wall and disappears.