Coolness.

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The military commissioned the inventor of the Segway to come up with a prosthetic arm --money no object. See the results here. Apparently when he showed the demo, people were in tears.

Curtsy to The Ryskind Sketchbook for sending it to me.

Update: ninme makes the point I intended to, but got distracted: before you watch the video, remember that that the military doesn't care about its veterans.