Scott: The article I linked to covers that question as well. To wit:
Quote:
Innumerable experiments, beginning in 1641--that's right, 1641--have demonstrated that:
(a) The presence of water has no discernible effect on a rod held above it, whether the rod is made of wood, metal, or anything else.
(b) The success rate for diviners is about the same as that for people who use the hit-and-miss method when looking for water.
(c) Geologists trained to recognize telltale surface clues (certain kinds of rocks and plants, various topographical features) will invariably far outdo dowsers in predicting where water will be found, and at what depth.
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Quote:
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An experienced dowser, who has often picked up a fair bit of practical geological knowledge, particularly if he has worked in the same geographical area for many years, often develops a good instinct for judging where water might be just by looking at the terrain. When he walks around doing his number with the stick his mind unconsciously transmits this knowledge to his arm muscles, with predictable results.
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In short: I still think it's a pretty neat effect, but it's not "supernatural".
Peace & Luv, Liz
__________________
Adventures in Roleplaying (Nov. 19):
"Maybe it's still in the Elemental Plane of Candy."
"Is the Elemental Plane of Candy anything like Willy Wonka's factory?"
"If it is, would that mean Oompa Loompas are Candy Elementals?"
"Actually, I'm thinking more like the Candyland board game. But, I like this idea better."
"I like the idea of Oompa Loompa Elementals."
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