The Guardian, 26 February 2009

Professor Thomas Little of Boston University would like your house lighting to communicate with your computer, TV, and even the heating thermostat. By piggybacking data communications on to LED lightbulbs, he hopes "smart lighting" will become the next generation of wireless communications technology. But has it got a hope against existing technologies?

The idea of modulating light for signalling isn't new. Think of signallers using Aldis lamps; or even your TV remote's invisible infrared LED. The replacement of existing bulbs with low-energy LEDs reduces carbon emissions while offering an opportunity for smart lighting.

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