How Weird Inside Black Holes?
In the last few days, I’ve dived down a rabbit hole inspired by some new astrophysics papers suggesting that dark energy is actually black holes. I think I get it now. So let me explain. The universe is expanding, and instead of that expansion decelerating as was expected, we found a few decades ago that it is actually accelerating. And according to general relativity, this implies that a big component of the universe must have nearly maximal negative pressure, and be increasing in mass to keep...
