NEW JERSEY — Sharks are widely feared as the ocean’s deadliest predator, but advancements in shark repellent technology are making the water a safer place for divers and surfers.

Scientists in New Jersey have developed Sharkbanz, wrist and ankle bands that utilize the magnetism of the Earth to ward off inquisitive sharks. Sharks have receptors, located in their facial region, that allow them to detect electromagnetic energy. They have the most sensitive electromagnetic sense of all known animals. Sharks use this unique advantage to judge distance, shape, as well as heart rate in other animals.

Sharkbanz do not require batteries, as they draw power from the magnetic field of the Earth. As a shark swims within one to two meters away, magnetic waves coming from the band disrupt its electro-receptors.

When submerged in water, it is advised that divers place the band over their wrists, so they can direct the magnetism when sharks swim towards them. The technology has been proven to repel small creatures such as the nurse shark and southern stingray, as well as the more aggressive, predatory-type animals such as tiger sharks and bull sharks, who are known for their attacks on people.

Sharkbanz aren’t likely to protect band-wearers from the advances of great whites, as those sharks tend to be ambush predators who attack their prey from long distances at high speeds. However, if one happens to be casually investigating, it may very well deter them from further inquiry.