We all know the problem with touch screens. You can’t text under the table while you’re in a meeting. Or while you’re driving. Or while you’re doing anything other than watching the screen carefully to ensure that the letter you tapped is the one that appeared on the screen. Now a new technology could allow touchscreens to provide feedback that will help flat glass feel like any other kind of surface. Chris Harrison, a Ph.D. student at Carnegie Mellon University is hoping to change that. Working with Disney Research, Harrison demonstrated the new technology, dubbed “Tesla Touch”, for the first…