Homespun Electricity, From the Wind
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Some families are trying to save money and the planet, with energy from backyard turbines.
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Using the photosynthesis of spinach to produce electric current.
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Physicist Marin Soljacic is working toward a world of wireless electricity.
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Denmark catches the most wind for power. Japan absorbs the most sun. Now Britain wants to rule the waves. Wave and tidal stream machines are the latest exploratory technology
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Since ancient times poets have revered the power of the seas. Now energy companies and coastal cities like New York and San Francisco are aiming to tap ocean waves and tidal currents as abundant sources of electricity.
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Humans have become highly reliant on technology to keep us safe. But when we go off the grid, as our reporter recently did, there can be grave risks.
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The deployment of smart-grid technology in households could significantly reduce the need to build new power plants and trim consumersâ monthly utility bills.
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The Christian Science Monitor - Amid the rooftops and chimneys of this seaside town south of London spins a solitary symbol of Britain's growing devotion to green energy. Usually relegated to windy plains or planted offshore, a wind turbine has sprouted on the roof of Daren Howarth's terrace house.
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Scientists have struggled for years to make electricity from the sunâs light at a cost competitive with power from coal or natural gas. The challenges are formidable.
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Department of Energy study finds consumers are willing to have their appliances remotely controlled by utilities to save them money and offset more grid build-out.
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Switching on lightbulbs from a distance Researchers in the US have demonstrated an experimental wireless energy transfer system that could pave the way for truly wireless computing. The team has already successfully made a 60W light bulb light up from a distance of 2 metres.â¦
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Pentadyne twirls weights in the air, and it makes electricity.
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Overlooking a mountain lake a  few hours drive from Tokyo, dozens of tall wind turbines spin  in the breeze creating carbon-free power for the world's  fifth-biggest emitter of greenhouse gases.
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Wind power is emerging as a alternative in fast-growing countries like India and China that are avidly seeking new energy sources.
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A tiny generator that harnesses vibrations to produce power has been created by British scientists.
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An MIT researcher has a vision: Four hundred huge offshore wind turbines are providing onshore customers with enough electricity to power several hundred thousand homes, and nobody standing onshore can see them.
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A pilot program in the Pacific Northwest shows significant promise for saving homeowners on energy costs, and participants in the Pacific Northwest GridWise pilot said they liked the remote home-management capabilities, too.