Date: Tue Mar 17 11:02:07 2009 Back to Contents ------------------------------------------------------------------------

Author: Doug Johnson

Subject: Re: Power Lines and compasses?

Post:



I wonder if the cow magnet in their bellies has anything to do with this.
With AC, it could be oscillating in the stomach. Has anyone held a strong
magnet near these power lines? ...Doug


On 3/17/09 6:42 AM, "cbettis@unlserve.unl.edu"
wrote:

> I just read an article in the newspaper this morning claiming that
> power lines affect cattle's sense of direction. The researchers say
> that generally cattle tend to line themselves up with the earth's
> magnetic field (which, along with our magnetic declination, may
> explain cow dipping in our neck of the woods ;-) but if they are near
> power lines they don't. My puzzlement is that the average magnetic
> field from a power line ought to be zero since they transmit AC power
> and they are strung in pairs. So I was wondering if any of you have
> experience with using compasses around power lines (or around cattle
> for that matter;).
>
> Cliff
>



From tap-l-owner@lists.ncsu.edu Tue Mar 17 11:02:07 2009

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