Hasso Plattner Institute in Potsdam, Germany, have developed a new kind of display called Linespace. This 3D printed display is more of on-demand image printing which can help blind people to re-discover what the actual world feels like.

Source: https://www.newscientist.com/article/2076693-3d-printed-display-lets-blind-people-explore-images-by-touch/

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