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dark energy

Power of cool: Liquid air to store clean energy

Earth

Power of cool: Liquid air to store clean energy

If solar or wind energy is going spare, why not store it as frigid liquid air to generate power when demand peaks?

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Technology

Magnetic 'battery' to report on century-old nuke waste

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Technology

Nuclear agency plans for futuristic waste option

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A blue-green revolution: Upgrading photosynthesis

Earth

A blue-green revolution: Upgrading photosynthesis

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Technology

Cellphone signals get personal to save power

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Earth

Green Machine: Fill up your car with hydrogen beads

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Earth

Efficiency could cut world energy use over 70 per cent

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Cooperative cellphone networks could cut energy waste

Technology

Cooperative cellphone networks could cut energy waste

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Christmas trees could make a great green fuel

Earth

Christmas trees could make a great green fuel

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2011 preview: Charge of the electric car

Earth

2011 preview: Charge of the electric car

At long last, major car companies will offer electric cars as part of their regular product line

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Earth

Is night falling on classic solar panels?

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Earth

Sun and sand breed Sahara solar power

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Earth

Cloud lasers: Hunting quantum secrets in the skies

Features

Earth

Biofuels will up Euro greenhouse emissions

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