By Todd Bernhard on Thu, 07/30/2015
Drawing on the iPhone or iPad isn't quite the same as drawing on paper or canvas. The slippery glass surface effects your movement, even with a high-end stylus. Apple thinks it has a solution. An Apple patent, unvearthed by Apple Insider shows an Apple stylus that can sense a virtual texture and provide "haptic" feedback, or slight vibrations, that could simulate what it is like to draw on that particular texture.