light refraction Archives – The Green Optimistic green tech news, since 2008 Fri, 23 Apr 2010 14:25:15 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Caltech Metamaterial Refracts Light Coming From Broad Range of Angles: Suitable for Solar Cells https://www.greenoptimistic.com/caltech-metamaterial-refract-solar-cells-20100423/ https://www.greenoptimistic.com/caltech-metamaterial-refract-solar-cells-20100423/#respond Fri, 23 Apr 2010 14:25:15 +0000 https://www.greenoptimistic.com/?p=7439 Caltech researchers have just discovered a metamaterial with a particular three-dimensional structure that exhibits a negative index of refraction for the light entering it. It simply bends the light in another angle than it would normally be expected, no matter what angle the incident light had.

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