14/12/2011

Removing sulfur from jet fuel cools climate: study

A Yale study examining the impact of aviation on climate change found that removing sulfur from jet fuel cools the atmosphere. The study was published in the October 22 issue of Geophysical Research Letters.

Twisting molecules by brute force: A top-down approach

Molecules that are twisted are ubiquitous in nature, and have important consequences in biology, chemistry, physics and medicine. Some molecules have unique and technologically useful optical properties; the medicinal properties ...

EU accepts IBM concessions in antitrust probe

(AP) -- The European Union's competition watchdog says it has accepted concessions made by IBM to make it easier for rivals to perform maintenance on its mainframe computers and is closing its investigation of the company.

Testing Orion space capsule

(PhysOrg.com) -- Testing continues at NASA Langley Research Center as the 18,000-pound (8,165 kg) Orion test article took its eight and final splash of the year into the Hydro Impact Basin on Dec. 13. Orion, the next deep ...

Particle physicists report 'intriguing hints' of Higgs Boson

Yesterday physicists in Europe reported possible signs of the Higgs boson, a missing piece in the particle-physics puzzle long suspected of giving elementary particles -- such as electrons and quarks -- their mass.

A galaxy cluster gets sloshed

(PhysOrg.com) -- Like wine in a glass, vast clouds of hot gas are sloshing back and forth in Abell 2052, a galaxy cluster located about 480 million light years from Earth. X-ray data (blue) from NASA's Chandra X-ray Observatory ...

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