Quote Originally Posted by Thorne View Post
According to Hawking, though, black holes do NOT remain. They eventually evaporate. I don't claim to understand the physics, but there is one thing that does escape a black hole: gravity.
The biggest known concentration of stuff just evaporates?

But we already know that energy cannot be lost to the material world. It can be changed and dispersed, but not lost.
And so I cannot understand how the universe (or anything else) ran 'run down' ?