Description:  The blue color on several species of African butterflies is caused by the nanoscale structure of the insects' wings, which is similar to nanostructures used in experimental light-emitting devices. The image on the right is a close-up.
Source:  Peter Vukusic/University of Exeter
Story:  Butterflies master photonics
TRN November 21/28, 2005
TRN Categories:  Nanotechnology; Optical Computing, Optoelectronics and Photonics
Form:  Still

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