“Why do suckers believe in magic?”
This has been covered already.
“Its not magic, but likely physics. The water probably creates some small EM field, and the wires detect it.”
http://www.freerepublic.com/focus/chat/3175011/posts?page=59#59
Scientifically proven already. You should read the entire thread before commenting. Seriously.
(after reading this thread it’s important I acknowledge my post is sarcastic)
How does it bend wooden sticks? How does it deflect non-ferros wires?