A team of researchers at the University of California in Santa Barbara has created a new type of screen that you can actually feel. It not only shows images. It lets your fingers sense their shapes and textures too. The display uses special pixels. When light touches them in a certain way, each tiny pixel rises a little, just enough for your skin to notice. If a circle appears on the screen, your finger can feel that circle. If the picture moves, the sensation moves with it.

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