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b6122
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chenjin
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ÕâÊDz®¿ËÀû´óѧÉϵĽéÉÜ£¬ÎÄÕÂÊǰËÔÂÊ®ÈýºÅ£¨nature£©£¬°ËÔÂÊ®Î壨science£©£¬»¹²»ÄÜÏ¡£ http://www.berkeley.edu/news/med ... 8/08/11_light.shtml [ Last edited by chenjin on 2008-8-13 at 10:44 ] |
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chenjin
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Invisibility shields one step closer with new metamaterials that bend light backwards By Sarah Yang, Media Relations | 11 August 2008 BERKELEY ¨C Scientists at the University of California, Berkeley, have for the first time engineered 3-D materials that can reverse the natural direction of visible and near-infrared light, a development that could help form the basis for higher resolution optical imaging, nanocircuits for high-powered computers, and, to the delight of science-fiction and fantasy buffs, cloaking devices that could render objects invisible to the human eye. Two breakthroughs in the development of metamaterials - composite materials with extraordinary capabilities to bend electromagnetic waves - are reported separately this week in the Aug. 13 advanced online issue of Nature, and in the Aug. 15 issue of Science. |
5Â¥2008-08-13 10:53:59
fdtdpc
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7Â¥2008-08-16 15:12:08
bible109
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