Difference between revisions of "Alternative Power"

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* Panasonic has developed a revolutionary hot water pipe that can actually turn the heat into usable electricity, as long as there's also a source of cold water. The conversion process relies on the temperature difference between the hot and cold water, and since the entire pipe is used to harness heat, the power output is three or four times higher than previous efforts. In fact, just four four-inch tubes can generate enough electricity to power a portable television, so large-scale installations could result in significant power savings for a buildind. But the laws of the universe are still in place, and since energy is required to heat the water in the first place, the pipes might not actually be a benefit when used in private homes. However, in factories where hot water is created as a waste product, or areas where hot geothermal springs are easily accessible, it could be a fantastic source of nearly free energy.  
 
* Panasonic has developed a revolutionary hot water pipe that can actually turn the heat into usable electricity, as long as there's also a source of cold water. The conversion process relies on the temperature difference between the hot and cold water, and since the entire pipe is used to harness heat, the power output is three or four times higher than previous efforts. In fact, just four four-inch tubes can generate enough electricity to power a portable television, so large-scale installations could result in significant power savings for a buildind. But the laws of the universe are still in place, and since energy is required to heat the water in the first place, the pipes might not actually be a benefit when used in private homes. However, in factories where hot water is created as a waste product, or areas where hot geothermal springs are easily accessible, it could be a fantastic source of nearly free energy.  
 
* http://www.technologyreview.com/news/429263/new-material-could-make-thermoelectric-power-practical/
 
* http://www.technologyreview.com/news/429263/new-material-could-make-thermoelectric-power-practical/
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* http://gizmodo.com/5972587/thermoelectric-pipes-can-generate-electricity-from-hot-water
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* Forum for the Future’s Head of Built Environment, Martin Hunt, notes that “Geothermal technologies have been around for a long time and are commercially viable. It looks like this application of heat recapture technology will only make sense in busy public spaces, but if the numbers stack up I can see it could be used on a wider scale.”
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* http://www.bekkoame.ne.jp/~khirata/academic/kiriki/begin/history.html
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* http://www.thermoelectrics.caltech.edu/thermoelectrics/history.html

Revision as of 20:46, 24 November 2013

Getting closer

Stirling Engine

Thermoelectric

  • Forum for the Future’s Head of Built Environment, Martin Hunt, notes that “Geothermal technologies have been around for a long time and are commercially viable. It looks like this application of heat recapture technology will only make sense in busy public spaces, but if the numbers stack up I can see it could be used on a wider scale.”
  • http://www.bekkoame.ne.jp/~khirata/academic/kiriki/begin/history.html


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