We've seen haptic feedback in mid-air before, but not quite like this. The folks from Bristol University are using focused ultrasound in a way that creates a 3D shape out of air that you can see and feel. We know what you're probably thinking: How do...via Engadget RSS Feed http://www.engadget.com/2014/12/04/new-tech-uses-ultrasound-to-create-haptics-you-can-see-and-tou/?ncid=rss_truncated
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