Bat-inspired technology helps the visually impaired - WKOW 27: Madison, WI Breaking News, Weather and Sports

Bat-inspired technology helps the visually impaired

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 NORTH  CAROLINA (WKOW) -- Students at Wake Forest University are working on a device to help the blind.    

They're using bats as a model.

The device, like bats, uses echo location to determine the proximity of objects.

A sensor in the wristband vibrates as the person wearing it approaches an obstacle.

The closer they get, the faster the vibration.

"It's definitely giving me more vision than I would have expected. With just a small little watch. I definitely think any visually impaired person would be able to benefit from it," said Kathryn Webster, a visually impaired tester of the device.

After three prototypes, students got the costs down to about $35 per watch.

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