ScienceDaily: Energy Technology News |
- Replacing electricity with light: First physical 'metatronic' circuit created
- More powerful electric cars: Mechanism behind capacitor's high-speed energy storage discovered
- Aircraft of the future could capture and re-use some of their own power
- Energy harvesting: Wringing more energy out of everyday motions
| Replacing electricity with light: First physical 'metatronic' circuit created Posted: 23 Feb 2012 03:38 PM PST The technological world of the 21st century owes a tremendous amount to advances in electrical engineering, specifically, the ability to finely control the flow of electrical charges using increasingly small and complicated circuits. And while those electrical advances continue to race ahead, researchers are pushing circuitry forward in a different way, by replacing electricity with light.  |
| More powerful electric cars: Mechanism behind capacitor's high-speed energy storage discovered Posted: 23 Feb 2012 03:26 PM PST Researchers have discovered the means by which a polymer known as PVDF enables capacitors to store and release large amounts of energy quickly. Their findings could lead to much more powerful and efficient electric cars.  |
| Aircraft of the future could capture and re-use some of their own power Posted: 23 Feb 2012 10:33 AM PST Tomorrow's aircraft could contribute to their power needs by harnessing energy from the wheel rotation of their landing gear to generate electricity. They could use this to power their taxiing to and from airport buildings, reducing the need to use their jet engines. This would save on aviation fuel, cut emissions and reduce noise pollution at airports.  |
| Energy harvesting: Wringing more energy out of everyday motions Posted: 21 Feb 2012 12:14 PM PST Randomness and chaos in nature, as it turns out, can be a good thing -- especially when trying to harvest energy from the movements of everyday activities. Engineers believe they have come up with the theoretical underpinning that could lead to the development of energy harvesting devices that are not only more versatile than those in use today, but should be able to wring out more electricity from the motions of life.  |
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