Tongue Drive Technology (1 of 2) (IMAGE) U.S. National Science Foundation Caption Georgia Tech assistant professor Maysam Ghovanloo (left) points to a small magnet attached to graduate student Xueliang Huo's tongue that allows him to steer a powered wheelchair and operate a computer mouse. Credit Georgia Tech Photo: Gary Meek 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.