ScienceDaily: Energy Technology News

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• Free apps drain smartphone energy on 'advertising modules'
• New way of lasing: A 'superradiant' laser
• Listening to the radio even in an electric vehicle

Free apps drain smartphone energy on 'advertising modules' Posted: 04 Apr 2012 11:43 AM PDT Researchers have shown that popular free smartphone apps spend up to 75 percent of their energy tracking the user's geographical location, sending information about the user to advertisers and downloading ads.

New way of lasing: A 'superradiant' laser Posted: 04 Apr 2012 10:36 AM PDT Physicists have demonstrated a novel "superradiant" laser design, which has the potential to be 100 to 1,000 times more stable than the best conventional visible lasers. This type of laser could boost the performance of the most advanced atomic clocks and related technologies, such as communications and navigation systems as well as space-based astronomical instruments.

Listening to the radio even in an electric vehicle Posted: 04 Apr 2012 07:29 AM PDT To enable radio reception in electric vehicles, manufacturers must install filters and insulate cables, since electrical signals will otherwise interfere with music and speech transmissions. Now, using new calculation methods, researchers are paving the way for pure listening pleasure while also helping to lower the associated costs.

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ScienceDaily: Energy Technology News

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Advanced power-grid research finds low-cost, low-carbon future in Western U.S. Posted: 03 Apr 2012 12:36 PM PDT The least expensive way for the Western US to reduce greenhouse gas emissions enough to help prevent the worst consequences of global warming is to replace coal with renewable and other sources of energy that may include nuclear power, according to a new study.

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Self-sculpting sand: Heaps of 'smart sand’ could assume any shape, form new tools or duplicatie broken parts Posted: 02 Apr 2012 08:30 AM PDT New algorithms could enable heaps of "smart sand" that can assume any shape, allowing spontaneous formation of new tools or duplication of broken mechanical parts.

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Getting to the moon on drops of fuel Posted: 29 Mar 2012 07:18 AM PDT The first prototype of a new, ultra-compact motor that will allow small satellites to journey beyond Earth's orbit is just making its way out of the lab. The goal of the micro motor: to drastically reduce the cost of space exploration.

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Electricity and carbon dioxide used to generate alternative fuel Posted: 29 Mar 2012 02:16 PM PDT Imagine being able to use electricity to power your car and it's not an electric vehicle. Researchers have for the first time demonstrated a method for converting carbon dioxide into liquid fuel isobutanol using electricity.

First the smart phone, now the smart home: Technology anticipates, meets our needs for health, efficiency Posted: 29 Mar 2012 02:04 PM PDT We have all heard of the smartphone and any day now, most of us will have one. Not far behind: The smart home. Scientists say it won't be long before our homes act as "intelligent agents" that use sensors and software to anticipate our needs and tend to tasks that improve our health, energy efficiency, even social media.

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