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Skinput is a new futuristic interface currently being developed by Chris Harrison at Carnegie Mellon for Microsoft. A combination of the ability to detect ultra low-frequency sound, and a microchip-sized projector have culminated in this interesting technological marvel.
Skinput is based on an armband straddling the wearer's biceps and detecting the small vibrations generated when the user taps the skin of their arm. Due to different bone densities, tissue mass and muscle size, unique acoustic signatures can be identified for particular parts of the arm or hand (including fingers), allowing people to literally control their gear by touching themselves. The added pico projector is there just for convenience, and we can totally see ourselves using this by simply memorizing the five input points (current maximum, 95.5 percent accuracy), particularly since the band works even if you're running. Make your way past the photos to see Tetris played in a whole new way!
via: engadget
Skinput: Appropriating the Body as an Input Surface. To appear in Proceedings of the 28th Annual SIGCHI Conference on Human Factors in Computing Systems
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