News tagged with energy exchange

How a change in slope affects lava flows

As soon as lava flows from a volcano, exposure to air and wind causes it to start to cool and harden. Rather than hardening evenly, the energy exchange tends to take place primarily at the surface. The cooling ...

dateSep 15, 2014 in Earth Sciences
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Air conditioner 'evolves' in novel study

Played out on a computer over hundreds of generations, a survival-of-the-fittest programming method adapted by National Institute of Standards and Technology (NIST) researchers has spawned, of all things, ...

dateSep 04, 2013 in Engineering
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Qatar bails out Germany's Solarworld

German solar panel manufacturer Solarworld announced Tuesday a capital injection by Qatar, a move which will save the company from bankruptcy as the German sector struggles against Asian competition.

dateJun 18, 2013 in Energy & Green Tech
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Supermarkets: Energy-optimized

Running a supermarket requires a lot of electricity. Long rows of refrigerators have to be kept cool and large areas have to be lit. A new concept enables supermarket operators to cut their energy use by ...

dateFeb 06, 2013 in Energy & Green Tech
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Scaling up polymer blobs

Scientists use simulations to test the limits of their object of study—in this case thin films of polymers—to extremes of scale. In a study about to be published in the European Physical Journal E, Nava S ...

dateSep 27, 2012 in Polymers
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Iran cell phone firms deny blocking text messages

(AP) -- Iran's mobile phone companies have denied blocking text messages with the words dollar and currency after the Iranian rial rapidly weakened on the announcement of new U.S. sanctions against Iran.

dateJan 10, 2012 in Telecom
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