Control your bionic hand with an iPhone

"The human hand is incredibly complex, so designing a bionic replacement is quite a challenge. There are countless movements and grips that a normal hand needs to make, and that variety is what makes replacements so difficult. Now, a company called Touch Bionics has developed a bionic hand with four fingers and a rotatable thumb. Better yet, a simple companion app is available for iOS that allows fast selection of 24 preset grips."

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Full article:

http://www.extremetech.com/electronics/153430-control-your-bionic-hand-with-an-iphone