“"Imagine if your computer, iPhone, TV, radio and thermostat could all
communicate with you when you walked in a room just by flipping the wall light
switch and without the usual cluster of wires," said BU Engineering
Professor Thomas Little. "This could be done with an LED-based
communications network that also provides light - all over existing power lines
with low power consumption, high reliability and no electromagnetic
interference. Ultimately, the system is expected to be applicable from existing
illumination devices, like swapping light bulbs for LEDs."” source...