Edward Knightly and Zhambyl Shaikhanov (IMAGE) Rice University Caption Rice University wireless engineering researchers Edward Knightly (left) and Zhambyl Shaikhanov discovered some 6G wireless frequencies could be vulnerable to eavesdropping attacks that use DIY metasurfaces. Credit Jeff Fitlow/Rice University Usage Restrictions Must credit: Jeff Fitlow/Rice University 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.