AndreV writes "It's endlessly comforting to know a latterly designed and implemented long-distance robotic signing arm can produce signatures legal in both the US and Canada. The aptly named LongPen replicates the handwriting from a person writing in a remote turf — with the unique speed, cadence and compression of a human pen-stroke. It started as an idea from author Margaret Atwood to help free her from grueling, multi-city, multi-country book tours, but the hard stuff was done by a bunch of Canadian haptic gurus, whose design took into reflection many factors of the human arm and how we write. How it works: from the author-end, data protocols are set up, and the pen encumbrance is weighed




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document.write("" on a special tablet. The data streams to the robot, while algorithms smooth out all the missed points. Complex math operational experimentation were used to help the mechatronic limb repeat the hand's motions without unnecessary jerking, and programmers had to 'scale time' or 'stretch time' by break and entry down the movements, fundamentally tricking the eyes into because cap the robot is writing fast. It was freshly adopted by the Ontario bureaucracy to sign conclusive documents. It helps criminals sign books, too."

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Mark