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John Pederson, the CEO of LVX System, basks in the glow of dual-purpose LED lighting that his company patented. The 36-watt light source not only brightens a workspace but also transmits data wirelessly by pulsing on and off thousands of times a second—frequencies that are imperceptible to the human eye. The initial version introduced in November can transfer 3 megabits per second.
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Willie Jones is an associate editor at IEEE Spectrum. In addition to editing and planning daily coverage, he manages several of Spectrum's newsletters and contributes regularly to the monthly Big Picture section that appears in the print edition.