Examlex
The inflationary theory of the Universe may explain why the background radiation is so isotropic.
Trichromatic Theory
A theory of color vision proposing that the human eye has three types of receptors with different sensitivities to light wavelengths, responsible for the perception of color.
Afterimage Phenomenon
A visual illusion where an image continues to appear briefly even after exposure to the actual image has ceased.
Decibels
A unit of measurement for the intensity of sound, indicating the level of sound pressure or power on a logarithmic scale.
Additive Mixing
A color mixing process in which different colors are created by combining various intensities of light colors, typically red, green, and blue.
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