AquaApp underwater (IMAGE) University of Washington Caption A team of University of Washington researchers developed AquaApp, the first mobile app for sending and receiving messages underwater that works on existing smartphones — no special hardware required. The app overcomes a number of technical challenges related to the underwater environment to enable two-way communication and networking while engaging in underwater activities like snorkeling and scuba diving. Credit University of Washington Usage Restrictions For reuse with appropriate credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.