Ultrasound is focused to create a hologram in the shape of a virtual sphere (Bristol Interaction and Graphics group, University of Bristol, © 2014) Featured Technology 

Holograms You Can Touch and Feel

Holograms that seem to have mass and can be touched have long been the stuff of science fiction. Now, they are science fact. Tactile technology which creates haptic feedback has been used for years in entertainment (such as game controllers), rehabilitation and even surgical training. Now, researchers from the University of Bristol’s Department of Computer Science have taken a leap forward by using ultrasound to develop a 3D shape in mid-air that can be touched and felt by human hands. The system could change the way 3D shapes are used.…

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