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Ultrasound, lasers may be the future of device control

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The movie Iron Man threw the spotlight on mid-air data and holographic images. Pixie Dust Technologies wants to match mid-air haptics with tiny lasers that create visible holograms of controls.

Singapore

ULTRASOUND - inaudible sound waves normally associated with cancer treatments and monitoring the unborn - may change the way we interact with our mobile devices.

Couple that with a different kind of wave - light, in the form of lasers - and we're edging towards a world of

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