Simulation of atmospheric scattering and polarization of sunlight using slide projector and aquarium containing milky water.
What it shows:
Unpolarized light passing through a fluid is scattered; the scattered light being partially or completely plane polarized. For scattering by particles of comparable size to the wavelength of the light, this process is called Rayleigh scattering. The wavelength dependence of this type of scattering is responsible for blue skies and red sunsets.
How it works:
Unpolarized white light from a...
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