Some interesting possibilities for wireless communications from
Cellular News in "
Lightbulbs Could Replace Wi-Fi Hotspots":
"Boston University's College of Engineering is launching a program, under a National Science Foundation grant, to develop the next generation of wireless communications technology based on visible light instead of radio waves. Researchers expect to piggyback data communications capabilities on low-power light emitting diodes, or LEDs, to create "Smart Lighting" that would be faster and more secure than current network technology."
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