Archive: 29/09/2011

Abrupt escape from flatness

At first glance, it seems as if billions of lead atoms have mysteriously disappeared. When exposed to heat, a layer of lead coated onto a nickel surface becomes almost invisible from one moment to the next. In reality, the ...

dateSep 29, 2011 in Nanophysics
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'Trade is not a four-letter word'

While many Americans see today’s increasingly competitive global economy as contributing to the nation’s economic woes, UPS Chairman and CEO Scott Davis argued in a Tuesday talk at MIT that free trade ultimately ...

dateSep 29, 2011 in Economics & Business
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Stardust discovered in far-off planetary systems

Searching for extra-solar planets -- which are planets outside of our solar system -- is very popular these days. About 700 planets are known at the moment, a number that is continuously rising due to refined observational ...

dateSep 29, 2011 in Astronomy
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La Nina may dampen fall leaf colors

(PhysOrg.com) -- The weather in Pennsylvania this year won't soon be forgotten -- one of the wettest springs ever, followed by a record-breaking dry heat wave in July, followed by the remnants of a hurricane and tropical ...

dateSep 29, 2011 in Ecology
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