Time Travel

[Lonely Tylenol]

Actually, Rowling's depiction of time travel is very much in line with
current physics. This so impressed me when I saw the third
movie that I went and read the books.

Here's a link with some details about the physics of time travel:

http://plato.stanford.edu/entries/time-travel-phys

Hmm...lost me when he tried to argue that person X can't always set his watch to match person Y. I'm not certain that the argument itself is bad, just the explanation of it.