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Invisible Surfaces

Nanostructured surfaces with almost perfect transmittance and ultralow reflectance over a broad wavelength range
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Short wavelength plasmons observed in nanotubes

Academics / General Science : ScienceDaily: Science Society

Researchers have observed 'Luttinger-liquid' plasmons in metallic single-walled nanotubes. This holds great promise for novel plasmonic and nanophotonic devices over a broad frequency range, including telecom wavelengths.

Fundamental limits of invisibility cloaks determined

Academics / General Science : ScienceDaily: Science Society

The researchers' theory confirms that it is possible to use cloaks to perfectly hide an object for a specific wavelength, but hiding an object from an illumination containing different wavelengths becomes more challenging as the siz...

WIRED Space Photo of the Day: Wavelengths of the Sun

Academics / General Science : Wired: Science

This still image was taken from a new NASA movie of the sun based on data from NASA's Solar Dynamics Observatory, or SDO, showing the wide range of wavelengths – invisible to the naked eye – that the telescope can...

Nanostructures with applications in infrared and terahertz ranges

Academics / General Science : ScienceDaily: Science Society

Scientists have created a compound semiconductor of nearly perfect quality with embedded nanostructures containing ordered lines of atoms that can manipulate light energy in the mid-infrared range. More efficient solar cells, less r...

A Look at the Sun’s Surface in Different Wavelengths [Video]

Technology : Geeks are Sexy

This video of the sun based on data from NASA’s Solar Dynamics Observatory, or SDO, shows the wide range of wavelengths — invisible to the naked eye — that the telescope can view. SDO converts the wavelengths into an image humans ca...

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