Wall as Touchpad (IMAGE) Carnegie Mellon University Caption Wall++ technology developed by Carnegie Mellon University and Disney Research can turn an entire wall into a touchpad. It also serves a sensor for electromagnetic activity Credit Carnegie Mellon University 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.