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Multi-sensory control

Chloe, Helen and Ruby's solar-powered device can be controlled by thought, blinks, blowing and touch.

"New ways of control will shape gadgets in the future," says Jonathan. "Powerful processors mean extra power for machines to understand the natural ways we communicate - touch, facial expressions, voice.

"Biotechnology is already making progress on this, with artificial limbs controlled by thought alone. Already some gadgets use blinks or tilting for those with disabilities."

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