17/05/2010

Spacewalk hit by brief power outage, no danger

(AP) -- A partial power outage at the International Space Station briefly interrupted Monday's spacewalk, knocking out robotic camera views of the two astronauts as they worked to install a spare antenna.

Australia opens up offshore oil, gas exploration

Australia on Monday said it would open more than 30 new offshore sites for oil and gas exploration, despite concerns from environmentalists that they could clash with marine sanctuaries.

Stripes offer clues to superconductivity

New images of iron-based superconductors are providing telltale clues to the origin of superconductivity in a class of ceramic materials known as pnictides. The images reveal that electrons responsible for the superconducting ...

Are invasives bad? Not always, researchers say

In 1988, a mysterious invader washed upon the New Jersey shore. The Asian shore crab likely arrived in ballast from commercial ships, and it found its new home to be quite agreeable. More than two decades later, the crab, ...

Software tool helps tap into the power of graphics processing

Today's computers rely on powerful graphics processing units (GPUs) to create the spectacular graphics in video games. In fact, these GPUs are now more powerful than the traditional central processing units (CPUs) - or brains ...

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