Rolling your eyes to turn up the volume of a portable music player and tapping your fingers to turn on a DVD player are among technologies Japan's top mobile carrier is testing for "wearable" gadgets.
In one version, sensors and chips inside headphones detect electrical current produced by movements of the wearer's eyeballs, says Masaaki Fukumoto, executive research engineer at NTT DoCoMo.
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27 June, 2008
Company tests eye-controlled 'wearable' gadgets
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