Someday you'll keep a rainbow in a cage [Physics]

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Scientists have been able to use metal to do tricks with light. Now they can differentiate that light into a spectrum, and store each color in separate little grooves on the metal. With the power of plasmonics, you may one day have a rainbow on your keychain. More »

Esther Inglis-Arkell 16 Mar, 2011

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Source: http://io9.com/5782366/someday-youll-keep-a-rainbow-in-a-cage
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