24.5 MB (4.8 MB compressed)
3852 x 2220 pixels
32.5 x 18.8 cm ⏐ 12.8 x 7.4 in (300dpi)
ALEXANDRE DOTTA / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY ALEXANDRE DOTTA / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
The Tyndall effect, also known as Willis -Tyndall scattering, is light scattering by particles in a colloid or in a very fine suspension. The laser beam passes through the first glass with coloured water and in the second with water and milk (colloid).
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