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  4. What is the smallest colored structured known?
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What is the smallest colored structured known?

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Offline Iwonda (OP)

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What is the smallest colored structured known?
« on: 25/11/2022 05:02:29 »
Just a bit curious here, what are the smallest structured known to science that can display bold beautiful colors?
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Offline Kryptid

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Re: What is the smallest colored structured known?
« Reply #1 on: 25/11/2022 06:30:20 »
I'm guessing (possibly naively?) that it's on a similar size level to the smallest wavelength of visible light, which is around 400 nanometers, if I recall correctly.
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Offline Bored chemist

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Re: What is the smallest colored structured known?
« Reply #2 on: 25/11/2022 10:41:12 »
In principle, a single atom can be coloured.
A layer of ink thinner than the wavelength of light would usually be visible.
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