The power of ultrasound to detect obstacles has been harnessed in the development of a new cane for the blind. Borrowed from the way bats can navigate in the dark by bouncing sonic waves off nearby objects is the key to the revolutionary new device.
The cane detects obstacles up to 3.5-metres away and transmits a signal through a touch panel on the handle.
The sound frequencies are so sensitive they will detect everything in the user's path--from another human being to litter on the ground.
Called the Ultracane...