Can wearing magnets really repel sharks?

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What if there were no sharks?

What if there were no sharks?

We may be fascinated by sharks, but they can cause trouble for other species. Learn what Earth would be like if there were no sharks at HowStuffWorks.


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Sources:

  • Clausen, Lisa. "How to Switch Off Sharks." Time South Pacific. April 8, 2002.
  • Eilperin, Juliet. "Repellent Could Save Humans and Sharks, Too." The Washington Post. Aug. 8, 2005. (June 9, 2008) http://www.washingtonpost.com/wp-dyn/content/article/2005/08/07 /AR2005080700593.html
  • Graber, Cynthia. "Fishing Lines That Repel Sharks." Scientific American Podcast. May 2, 2008. (June 9, 2008)
  • http://www.sciam.com/podcast/episode.cfm?id=A9F7EB36-EF96-74AB-0C6009E5ADE48609
  • Katayama, Lisa. "Mixed Signals." Popular Science. July 2008.
  • Moskowitz, Clara. "Electric Signals Could Ward Off Sharks." LiveScience. May 6, 2008. (June 9, 2008) http://www.livescience.com/animals/080506-shark-repel.html
  • Page, Michael Le. "Shark shifter." New Scientist. Feb. 26, 2005.
  • Rajewski, Genevieve. "Geeky Rare-Earth Magnets Repel Sharks." Wired Magazine. May 15, 2007. (June 9, 2008) http://www.wired.com/gadgets/miscellaneous/news/2007/05/sharkmagnets
  • SharkDefense. "Magnetics." (June 9, 2008) http://www.sharkdefense.com/Magnetics/magnetics.html
  • Stroud, Eric. "Elasmobranch-Repelling Electropositive Metals and Methods of Use." United States 11/800,545. Nov. 8, 2007. (June 9, 2008) http://www.google.com/patents?id=uraiAAAAEBAJ&printsec=abstract&zoom= 4&dq=shark+repellent#PPA1,M1