Behold the power of the LED home lightbulb

Pharox is an LED light made by Lemnis Lighting that's designed to fit into an ordinary lamp socket.

She's holding a lit lightbulb in her hand. Is the prophecy true? Is she the chosen one?

Amber Nystrom
Michael Kanellos/CNET Networks

No, that's just Amber Nystrom, founder of Social Fusion, holding up the Pharox, an LED light by Lemnis Lighting that's designed to fit into an ordinary lamp socket (there's a battery in this one; the home models just screw in). It offers about the same amount of light as a 40-watt bulb but consumes about 90 percent less energy. If you haven't heard by now, lightbulbs waste a lot of energy. Around 95 percent of the energy turns into heat.

LEDs, which are silicon chips, produce heat too, but they crank out far more lumens per watt than regular lightbulbs and they are beginning to challenge fluorescent bulbs. LEDs last longer, so advocates say they'll become the light source of the future. (Fluorescent folks disagree). The Lemnis runs on about 4 watts and lasts 50,000 hours.

I met Nystrom standing in line at the Cleantech Forum in San Francisco. Never know who you'll meet waiting for the buffet.

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