These Waves Keep Sharks Away From Swimmers

August 10, 2014 11:03 AM

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The wire trailing off the diver's foot is there to ward off sharks by creating an electromagnetic shield that sharks are sensitive to. Unlike fish snagged with the diver's spear gun, sharks warded off by the Shark Shield remain unharmed.

Interest in sharks peaks every summer, when more people hit the beach and start looking for that tell-tale fin. This year, between Sharknado 2: The Second One and Discovery Channel's "Shark Week" — which kicks off Sunday — sharks have been making a particularly large splash on TV screens across the ...

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