Guide dogs alert their handler to stairs, curbs and obstacles in their path. White canes help with the same. But there can still sometimes be problems with low hanging branches and other obstacles at shoulder and head height.
A new invention by two Canadians aims to eliminate the risk of hitting the head or upper body. Their small device vibrates to alert the user to upcoming obstacles and can be placed anywhere on the body.
Watch this video from a morning news show to learn more from one of the inventors.
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