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Viral capsid
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"Lotus effect", hydrophobic effect with self-cleaning ability
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Close-up of the underside of a gecko's foot as it walks on a glass wall. (spatula: 200 × 10-15 nm).
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REM scan of a butterfly wing scale (×5000)
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Brazilian Crystal Opal. The play of color is caused by the interference and diffraction of light between silica spheres (150 - 300 nm in diameter).
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Lycurgus Cup, glass, 4th century, Roman. Nanoparticles (70 nm) of gold and silver, dispersed in colloidal form, are responsible for the dichroic effect (red/green).
Viral capsid
"Lotus effect", hydrophobic effect with self-cleaning ability
Close-up of the underside of a gecko's foot as it walks on a glass wall. (spatula: 200 × 10-15 nm).
REM scan of a butterfly wing scale (×5000)
Brazilian Crystal Opal. The play of color is caused by the interference and diffraction of light between silica spheres (150 - 300 nm in diameter).
Lycurgus Cup, glass, 4th century, Roman. Nanoparticles (70 nm) of gold and silver, dispersed in colloidal form, are responsible for the dichroic effect (red/green).
