University of Washington PoWiFi (IMAGE) University of Washington Caption The UW team used ambient signals from this Wi-Fi router to power sensors in a low-resolution camera and other devices. Credit Dennis Wise/University of Washington Usage Restrictions With Credit License Licensed 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.