woof!
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So, high school physics does prove that utility dowsing does not work? I'm not arguing it, I would like to know what part of physics that I need to brush up on or learn more of. It's ok if you spoil my fun!
I've been on the phone and no one can explain a thing to me. I hear the same thing, it's electrical or magnetic. Other than that no one knows. I'd like to see proof either way! or even links to real studies. Neutral studies, if there is such a thing.
You misread what I said. High school physics is sufficient to understand that utility dowsing does not work according to the urban mythology of an electric or magnetic field from the underground utility exerting a force on the coathangers causing them to move. Most folks (unfortunately even many mechanical engineering university grads) haven't got the foggiest notion of how to reason about things that are high school level physics. I actually paid attention in my physics class in high school and that's why I get paid to design physics-based underground locating equipment.
The physics of dowsing rods are even simpler, it's just mechanical forces and mass. In times past I've offered suggestions how to improve their design but as long as coat hangers still do the job it's hard to interest people in something better.
The swivelly things do swivel, regardless of what you believe about why they swivel, just like cellphones work (when they do....) without first testing you on your knowledge of the underlying technology. If utility dowsing without clues of the ordinary kind really does work (and in my opinion it does), to me that poses an interesting scientific puzzle inasmuch as nobody has presented credible evidence of how it works.