article_snippet.sent: Locals in Hawaii are increasingly placing Locals in Hawaii trust in technologies that claim to keep the predators away by sending an electric pulse through the water.
article_snippet.sent: One particular device, known as the Electronic Shark Defence System (ESDS), has enjoyed massive popularity on the islands.
article_snippet.sent: Researcher Christine Ambrosino told Discovery news the pulse is an effective way to stopping a shark in Discovery news tracks.