Uncertainty

He finished explaining his theory, as I stared at the device in his hand.

"So let me see if I have this straight."

"Please do."

"Your theory is that teleportation requires you to cheat Heisenberg's Uncertainty Principle, and by making it that neither position nor velocity of your molecuar structure is known, you can then transport to any other location, do I have your basic idea right?"

"Basically, yes, although you're glossing over important details. But enough talk, to the future!"

He pressed the button, and suddenly vanished.

I think when the universe lost track of him, so did he.