A step to make scientific fiction real, now, people would be able to touch 3D images. Scientists have created holograms that can be felt.
"Up until now, holography has been for the eyes only, and if you'd try to touch it, your hand would go right through," Hiroyuki Shinoda, professor at Tokyo university and one of the developers of the technology, told Reuters. The effect is created through the use of a software built with ultrasonic waves that creates pressure when a user's hand "touches" a hologram that is projected.
In order to track a user's hand, the researchers use control sticks from Nintendo's popular Wii gaming system that are mounted above the hologram display area. The technology has so far been tested with relatively simple objects, although the researchers have more practical plans, including virtual switches at hospitals, for example, and other places where contamination by touch is an issue.
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