Xuesong Zhou, University of Utah (IMAGE) University of Utah Caption Xuesong Zhou, a civil engineer at the University of Utah, holds a sample of the Key2SafeDriving car key device (right) that wirelessly disables a teenage driver's cell phone (left) so the phone cannot be used to make calls or send text messages while driving. The system allows 911 calls. Zhou invented the device with Wally Curry, a University of Utah alumnus who now practices medicine in Hays, Kan. Credit University of Utah Usage Restrictions None 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.