In message <[email protected]>, dated Tue, 17 Mar 2009, Cortland Richmond <[email protected]> writes:
>If, as in some animals known to sense North, cattle do sense the >magnetic field by way of magnetite particles, and if those are small >enough, it is POSSIBLE they might no longer sense North due to the AC >fields under power lines moving those particles around. Some Australians proved that pigeons home using magnetite particles. They exposed the pigeons in a ceramic enclosure with a special cover of organic material to a temperature above the Curie temperature and showed that they lost all sense of direction. However, they tasted delicious. -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk Things can always get better. But that's not the only option. John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc Graphics (in well-used formats), large files, etc. can be posted to that URL. Website: http://www.ieee-pses.org/ Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
