Shark netting strung up in coastal waters to protect swimmers from the ocean's apex predators has not worked nearly as well as we had hoped. But where these knotted nylon lines have failed, one Australian company hopes an electric field will succeed.
Sand. Water. Sunshine. Everybody loves the beach. And anyone who has ever had a good day at the beach will love these gifts.
This gizmo mounts on the tail of a surfboard, emitting low grade electrical signals that supposedly mess with a shark's muscles. Likely, it bothers the shark's sensory system, which detect changes in the water's electrical field as lifeforms slither through the water. (Maybe, to the shark, it feels like touching the…