UW Long-Range Backscatter System (IMAGE) University of Washington Caption This long-range backscatter system developed by University of Washington engineers for the first time allows devices that run on extremely low power to communicate over long distances. 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.