Virtual Walking Stick for the Visually Impaired
From: Medical Design News - 11/01/2012
By: Jonathan & Maxwell Tolstedt

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The "Magic Wand" Virtual Walking Stick is fully self-contained navigation aid
and has a user interface designed specifically for the visually impaired,
thus eliminating the problems with these existing solutions.  

Read the entire article at:
http://contest.techbriefs.com/medical-2012/2746
http://contest.techbriefs.com/walkingstick