Ultrasound, lasers may be the future of device control

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 3D, holographic displays hovering in the air that we can touch, feel and control.