Don't think I know dgr8bob, though based on his friendslist, I might. Anyway. Any excuse to quote Red Dwarf is a good one.

"So what is it?"
"I've never seen one, no one has, but I'm guessing it's a white hole."
"A white hole?"
"Just as a black hole sucks time and matter out of the universe, a white hole will spew it back in."
"So what is it?"
"I've never seen one..."

*throttles urge to quote further*