I can disprove this.
I have experienced teleportation.

One night I was standing at the bar of the pub.
The room started moving and everything blurred.

The next thing I knew, I was in my house. You try explaining that with your clever chalk and blackboard.
( Enigmatic ™                 Voice No More                  ©, Thu 4 May 2006, 2:12, archived)

That's just time travel!

( The Mock TurtIe ™ --- Thinks you are a cunt, on, Thu 4 May 2006, 2:13, archived)