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Developing Efficient Solar Concentrators

A new way to concentrate sunlight could make solar power competitive with fossil fuels.

By Kevin Bullis

Photo Galleries

A Look Back at Three Mile Island

The Droid's Features

NASA’s Next Rocket Ready for Lift Off

Making Solar Cells with Pure Pyrite

Time Travel Through the Brain

Images of the Author's Brain

An Astounding Collection

Robotic Hand Grasps a Number of Objects

Thermal Images of the Space Shuttle

Testing NASA's New Rover

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Computing

Software That Fixes Itself » Get the newsletter »

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First Test for Election Cryptography » Get the newsletter »

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A Test Ride with the Droid » Get the newsletter »

Energy

Betting on a Metal-Air Battery Breakthrough » Get the newsletter »

Materials

Implantable Silicon-Silk Electronics » Get the newsletter »

Biomedicine

Molecular Sunglasses for Macular Degeneration » Get the newsletter »

Business

High-Energy Batteries Coming to Market » Get the newsletter »

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