 So I'm thinking that people listening might think, I thought you were talking about time. Why are you talking about black holes? But I think black holes have a lot to do with time. Because black holes is all about time. How so? A black hole is a deformation of space and a deformation of time. So if you go near a black hole, if you look backward, you see the rest of the universe going faster and faster and faster. So time goes at different speed. And if you fall into the black hole...