Vicky Manley and Alan Thorpe
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Bats inspire ultrasonic cane for blind

The ultrasonic waves used by bats have inspired a new piece of technology which can help blind people to detect obstacles.

Developers have come up with stick which can vibrate when it's near objects, so that the user can sense their way around.

Jenny Hill reports.

  • 19 Oct 2011
  • From the section Health