23/09/2011

Most accurate measurements of big-city pollution

(PhysOrg.com) -- One of NASA's satellites has provided the most detailed map yet of the pollution generated by some of the world’s biggest cities, and given an indication of the volume of emissions of the nitrogen oxides ...

First life may have arisen above serpentine rock, researchers say

(PhysOrg.com) -- About 3.8 billion years ago, Earth was teeming with unicellular life. A little more than 4.5 billion years ago, the Earth was a ball of vaporous rock. And somewhere in between, the first organisms spontaneously ...

Image: Orion prepares for next round of acoustic testing

The Orion MPCV ground test vehicle is lifted into the acoustic chamber at Lockheed Martin’s facilities near Denver on Thursday, Sept. 15, 2011, in preparation for the Launch Abort Vehicle Configuration Test.

Study discovers amazing electrical properties in polymers

(PhysOrg.com) -- Crystals and ceramics pale when compared to a material researchers at Oak Ridge National Laboratory discovered that has 10 times their piezoelectric effect, making it suitable for perhaps hundreds of everyday ...

Lots of space junk is circling our planet at high speeds

Dr. William Schonberg says academia is cool because you usually get to research what you're really curious about. As chair of civil, architectural and environmental engineering at Missouri University of Science and Technology, ...

Japan launches new spy satellite

Japan launched a new spy satellite into orbit Friday, officials said, in its latest effort to beef up surveillance against the threat of North Korean missiles.

Questions and answers on the latest 'New Facebook'

Every year or so - and sometimes more often - Facebook manages to miff a vocal percentage of users by changing the look and feel of its site. As it adds new features, it invariably takes away things that people have grown ...

Cloaking magnetic fields: The first 'antimagnet' device developed

Spanish researchers have designed what they believe to be a new type of magnetic cloak, which shields objects from external magnetic fields, while at the same time preventing any magnetic internal fields from leaking outside, ...

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