University of Alberta Professor Walied Moussa and graduate student Shichao Yue have taken touchscreen capability to a new level through their development of a “Real Touch” 3D sensor array (inset) that can measure the full range of forces on a surface with unprecedented sensitivity.

For all their many advantages, today’s touchscreens perform poorly when used for the seemingly simple task of writing. “It’s like the pen or stylus is skating, because the screen can’t give you the feedback of friction, which guides you when you’re writing on a piece of paper,” explains Walied Moussa, Professor of Mechanical Engineering at University of Alberta.

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