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energy

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Technology

The self-charging cellphone

An inner frame that allows components to slide up and down rails could allow the device to harvest power from its user's motion

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The US is lagging on nuclear reactor technology

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The US is lagging on nuclear reactor technology

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Innovation: Bloom didn't start a fuel-cell revolution

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Innovation: Bloom didn't start a fuel-cell revolution

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Earth

New US reactors still awaiting safety approval

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Technology

Silicon wire forest makes wearable solar cells

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Smoke bomb: The other climate culprits

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Smoke bomb: The other climate culprits

Features

For sustainable architecture, think bug

Earth

For sustainable architecture, think bug

Features

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Earth

Sun-powered water splitter makes hydrogen tirelessly

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Pliable power pack will let gadgets feed on your body

Technology

Pliable power pack will let gadgets feed on your body

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Technology

More is merrier for wireless power supply

A coil embedded in a wall or ceiling could efficiently beam power to several gadgets in the same room

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Earth

Organic crystals promise low-power green computing

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Technology

Unplugged: Goodbye cables, hello energy beams

Features

Earth

US budget gives nuclear power a yea and big oil a nay

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Technology

Giant laser reaches key milestone for fusion

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