10/11/2014

Google signs 60-year, $1 billion NASA lease (Update)

Google has signed a long-term lease for part of a historic Navy air base, where it plans to renovate three massive hangars and use them for projects involving aviation, space exploration and robotics.

Groups sue to protect walrus from drilling

Six environmental groups have asked a judge to throw out a federal agency rule that concluded oil company exploration off Alaska's northwest coast will have a negligible effect on walrus.

Too many people, not enough water: Now and 2,700 years ago

The Assyrian Empire once dominated the ancient Near East. At the start of the 7th century BC, it was a mighty military machine and the largest empire the Old World had yet seen. But then, before the century was out, it had ...

Microbot muscles: Chains of particles assemble and flex

In a step toward robots smaller than a grain of sand, University of Michigan researchers have shown how chains of self-assembling particles could serve as electrically activated muscles in the tiny machines.

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