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Now, switch on your wireless Internet connection at home by turning
on the light bulb. Reuters Photo
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London: Imagine that by simply turning on the light bulb in your room, you can also switch on your wireless Internet connection at home. Well, it's a reality now, thanks to a leading British physicist of Edinburgh University who claims to have developed a technology which can send data through the same connection as a normal lamp. Prof Harald Hass says the invention, dubbed D-Light, can send data faster than 10 megabits per second, which is the speed of a typical broadband connection, by altering the frequency of the ambient light in the room.He says that other possibilities of the device – which he has dubbed 'Li-fi', or Light Fidelity -- include sending wireless data from "white space" in your TV spectrum or unused satellite signals. Read Full: Now, bulbs can be used to broadcast household broadband! - Indian Express
