http://www.popsci.com/technology/article/2010-12/simple-tentacle-prosthesis-gets-grip-keep-functioning-hand-free
This is absolutely fascinating. Forgoing standard practice, a young inventor has created a tentacle-like arm that does exactly what a prosthesis is supposed to do: augment the actions of the other human arm in order to allow it to look after more complex tasks while the prosthesis takes care of larger more simple tasks. This wonderful example of the elegance of simplicity works well will the world of programming, in which everyone is always trying to come up with better, faster ways to get things done.
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