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These projects were all completed by volunteers of the Tetra Society of North America, a Canadian-based charity that invents devices to overcome barriers faced by people with disabilities.

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http://tetranation.org/video/?contest=video-detail&video_id=1523
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Author: admin
Title: Walking assist - how to keep walking with Parkinson's disease
Description: This walking assistant allows a man with Parkinson's disease to walk again. The symptoms of this degenerative disorder include difficulty walking, which over time becomes a freezing of the gait. The project works because the brain can be 'tricked' into sending a message to step forward. This device offers visual and audio stimulus - by presenting something to step over.
Votes: 5
Views: 234