Even in crystal-clear water, it can be easy for scuba divers to lose track of which way they're heading. An experimental new underwater navigation system could help keep that from happening, using a ...

GPS and radar can scout out missing objects on Earth's surface but are no match for the ocean. Water absorbs electromagnetic radiation, which is why sonar tech using sound waves is necessary. But even ...

Wireless technologies are more or less ubiquitous on land. Checking emails and messages on a smart cell phone, connecting a laptop to the WiFi and browsing the internet, or listening to music via a ...

Medical implants and underwater electronics have long faced a common problem—how to power them safely and continuously. Traditional wireless charging methods like electromagnetic induction or radio ...