iCandy: March 2010

IEEE Spectrum's monthly slideshow proves that a picture is worth a thousand bytes

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Photo: Josep Lago/AFP/Getty Images
This man isn’t exasperated at a long commute to work. He’s simply adjusting the volume on his MP3 player. The earphones he’s wearing, made by NTT DoCoMo, are studded with electrodes that pick up tiny voltage changes that occur whenever he moves his eyes. The earphones interpret these changes as signals to, say, scroll forward through songs or stop playback.
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