I have never seen this documentary, but a friend had mentioned it.
"Walking on water", was simply an analogy made to illustrate ONE aspect of the Heisenberg Uncertainty Principle.
Essentially, as someone mentioned above, (In a MACROSCOPIC world--based on derivations of QUANTUM BEHAVIOR)it would take an almost INFINITE amount of time, but eventually, one could walk through a wall, or "walk on water". The statistical liklihook in realistic terms is..well...never...
But it HAPPENS on a QUANTUM level everyday. Electrons walking through walls, particles occupying two, three--an INFINITE number of positions at the same time, all sorts of WHACKY stuff! This is the quantum realm, and the laws are somewhat different down here.
However, applying the uncertainty principle(which applies only to subatomic behavior) to macroscopic pheonomena is simply for entertainment purposes only....
-Ross
