Optical phenomena
Helmholtz–Kohlrausch effect
The Helmholtz–Kohlrausch effect (after Hermann von Helmholtz and Rudolf Kohlrausch) is an entoptic phenomenon wherein the intense saturation of spectral…
7 years ago
Iridescence
Iridescence (also known as goniochromism) is the phenomenon of certain surfaces that appear to gradually change colour as the angle…
7 years ago