02/03/2009

Swift Satellite records early phase of gamma ray burst

(PhysOrg.com) -- UK astronomers, using a telescope aboard the NASA Swift Satellite, have captured information from the early stages of a gamma ray burst - the most violent and luminous explosions occurring in the Universe ...

Semiconductor sales down 28.6 pct in January: SIA

Worldwide semiconductor sales declined 28.6 percent in January from a year ago as the global recession continued to take a big bite out of the computer chip industry, an industry tracker said Monday.

Record 12 pct drop for PC sales in 2009: Gartner

Sales of personal computers are expected to decline by 11.9 percent to 257 million units in 2009, the steepest drop in the industry's history, market research firm Gartner said Monday.

The lower atmosphere of Pluto revealed

(PhysOrg.com) -- "With lots of methane in the atmosphere, it becomes clear why Pluto's atmosphere is so warm," says Emmanuel Lellouch, lead author of the paper reporting the results.

Battery Wrapped in Solar Cells Recharges in the Sun

(PhysOrg.com) -- Although you can buy solar charging devices for rechargeable batteries, it would be even more convenient if batteries had built-in solar cells. Sitting in sunlight, the battery could then recharge itself. ...

New clues about mitochondrial 'growth spurts'

Mitochondria are restless, continually merging and splitting. But contrary to conventional wisdom, the size of these organelles depends on more than fusion and fission, as Berman et al. show. Mitochondrial growth and degradation ...

Gullies on Mars show tantalizing signs of recent water activity

Planetary geologists at Brown University have found a gully fan system on Mars that formed about 1.25 million years ago. The fan offers compelling evidence that it was formed by melt water that originated in nearby snow and ...

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