Student-designed device uses sonar technology to aid the visually impaired

January 19, 2015 2:15 PM

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Student-designed device uses sonar technology to aid the visually impaired

College students in North Carolina have created a device to help people who are visually impaired navigate independently— using the same method that bats use to travel in the dark, MyFoxAtlanta.com reported.

The device, which looks like a bulky wristwatch, uses sonar technology and buzzes to let its wearer know when he or she is approaching a fixed object.

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