This OLED screen can fill with liquid to form tactile buttons

Swiping and tapping on flat screens is something we've learned to deal with in smartphones, tablets and other touchscreen gizmos, but it doesn't come close to the ease of typing on a hardware keyboard or playing a game with a physical controller. To that end, researchers Craig Shultz and Chris Harrison with the Future Interfaces Group (FIG) at Carnegie Mellon University have created a display that can protrude screen areas in different configurations. It's a concept we've seen before, but this v...