You could conceivably call the toilet bowl an event horizon for the black hole of waste management, couldn't you?  Like a black hole, once the flush begins, there's no way to stop it.  Overall, we're grateful for that, but I'll pass on whatever parallel universe might exist beyond the bowl.  Please e-mail me at:  pjones41@kc.rr.com, and come join me on facebook, too.  Farmville, anyone?