Media from: Researchers develop a way to funnel solar energy
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This filament containing about 30 million carbon nanotubes absorbs energy from the sun as photons and then re-emits photons of lower energy, creating the fluorescence seen here. The red regions indicate highest energy intensity, and green and blue are lower intensity.
Image: Geraldine Paulus
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Postdoctoral associate Jae-Hee Han, left, graduate student Geraldine Paulus and associate professor Michael Strano built a fiber of carbon nanotubes that can concentrate solar energy.
Photo: Patrick Gillooly
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