Photo: Air guitar: Software interprets signals sent from electromyography sensors attached to a forearm, enabling the user to control computer games such as Guitar Hero and Rock Band. Credit: Microsoft From Technology Review:
Forearm electrodes could enable new forms of hands-free computer interaction.
It's a good time to be communicating with computers. No longer are we constrained by the mouse and keyboard--touch screens and gesture-based controllers are becoming increasingly common. A startup called Emotiv Systems even sells a cap that reads brain activity, allowing the wearer to control a computer game with her thoughts.
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