Difficulties with balance are one of the more recognizable symptoms of Parkinson’s disease. The symptom can lead to falling and serious injury, as well as loss of independence. 

However, Calgary High School students Allen Guo-Lu and Luotong Shi came up with an inventive way to “give back to the community” and help Parkinson’s patients avoid these precarious situations: a 3D-printed wearable “tail” that, quite literally, follows them wherever they go. 

The device operates on the principles of biomimicry, which is basically a fancy way of saying humans creating technology that copies time-tested methods used by Mother Nature.

In this case, inspiration comes from cats and other mammals who use their tails, i.e., an extension of their spine, to counterbalance their center of gravity and........

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