WiTricity: Wireless Electricity proven at MIT


	WiTricity: Wireless Electricity proven at MIT

adamfalls

6-9-2007 1:42 AM

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tags:

wireless, bottom of the pyramid, electricity

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/efde9343-121e-4ad7-9a2d-5703086b4b45/471E85C1-25A8-460A-A032-249F65D0BFCF/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.technewsworld.com/story/57757.html" href="http://www.technewsworld.com/story/57757.html" style="font-size: 11px;">www.technewsworld.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.technewsworld.com/story/57757.html"><H1 class="title">MIT Wizards Zap Electricity Through the Air</H1></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.technewsworld.com/story/57757.html"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.technewsworld.com/img/261C11E7-CADF-4D94-9F4B-22F037C622DB" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.technewsworld.com/story/57757.html"><P class="story-summary">Researchers at MIT have figured out how to transfer power wirelessly, a technology they've dubbed "WiTricity." Potential applications for WiTricity include powering cell phones, laptops, household robots and other battery-run devices. However, before WiTricity enters the mainstream, there is still work to be done, as the group's tested device operated at only 40 percent efficiency.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.technewsworld.com/story/57757.html"><P>
Before WiTricity enters the mainstream, however, there is still work to be done.
The tested device operated at only 40 percent efficiency -- "pretty good for a first test," Karalis said, but still clearly in need of improvement. Rechargeable batteries, by contrast, operate at only 70 percent efficiency when new, and degrade over time, he added.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.technewsworld.com/story/57757.html"><P>"The fact that magnetic fields interact so weakly with biological organisms is important for safety considerations," noted Kurs, a graduate student in physics.
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