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Maiden voyage for first true space sail

Space

Maiden voyage for first true space sail

Next week Japan hopes to demonstrate the first sail to harness the sun for propulsion through space

News

Oil industry failed to heed blowout warnings

Earth

Oil industry failed to heed blowout warnings

News

Bugs will give us free power while cleaning our sewage

Earth

Bugs will give us free power while cleaning our sewage

News

Plenty of wave energy to be harvested close to shore

Earth

Plenty of wave energy to be harvested close to shore

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Bertrand Piccard: Flying around the world on sunlight

Technology

Bertrand Piccard: Flying around the world on sunlight

Opinion

Earth

Republicans won't be nudged into cutting home energy

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Green machine: Generating more light than heat

Earth

Green machine: Generating more light than heat

News

Deepwater Horizon: scrutiny falls on blowout preventer

Earth

Deepwater Horizon: scrutiny falls on blowout preventer

News

Oil slick fight continues with robots and fire

Earth

Oil slick fight continues with robots and fire

News

Green machine: Cheaper home power from sunlight

Earth

Green machine: Cheaper home power from sunlight

A technique borrowed from large-scale solar power plants could help householders maximise their energy return from solar cells

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Earth

Green machine: Power from the people

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Technology

Carbon flakes brush up for cheap solar cells

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Earth

Green machine: Rethinking internal combustion engines

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Technology

World's largest laser blasted over fusion plan

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