Topic: nanostructures

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Why Is Blue So Rare In Nature?

Among living things, the color blue is oddly rare. Blue rocks, blue sky, blue water, sure. But blue animals? They are few and far between. And the ones that do make blue? They make it in some very strange and special ...

How (and Why) Do Chameleons Change Color? – Veritasium

There is a misconception about chameleons... that they change their color in order to blend in with their environment. That is actually not the case... So why do chameleons change color and how are they doing it? ...

Hydrophobic metal made with laser-etched microscopic patterns

Scientists from the University of Rochester have created water-repelling metal by laser-etching nanostructures into the surface. Watch as water droplets bounce like water balloons off of the metal's super-hydrophobic ...

What Gives the Morpho Butterfly Its Magnificent Blue? – Deep Look

What does it mean to be blue? Let's look deep into something called structural coloration, the physics of light, and how it's possible that the Morpho butterfly's wings appear to be blue, despite their containing no b...

Zoom into a Blue Morpho Butterfly

The Blue Morpho Butterfly is a beautiful brown — yes, brown — butterfly. The microscopic scales on this rainforest butterfly manipulate light, reflecting back an intense blue light that makes them appear ...

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