Its creators claim that it produces an electrical field that drives sharks away, and it’s designed to be worn around the ankle of a surfer or diver. To determine just how effective the device is ...

"An independent study showed that some electrical deterrent devices can be effective in repelling sharks." Sharks are ...

In other words, a device with trailing electrodes strapped to a surfer’s ankle can offer ... that might provide visual repellents to scare off whites and other sharks are also a focus of science ...