Examlex
The surface tension of water makes it possible for certain insects to walk on the surface of water. What is the origin of surface tension?
Young-Helmholtz Theory
A theory of color vision that proposes the eye contains three types of color receptors sensitive to red, green, and blue.
Fovea
The central portion of the retina, where visual acuity (sharpness of vision) is highest.
Cones
Photoreceptor cells in the retina of the eye that function best in relatively bright light and enable the perception of color.
Light-sensitive
The characteristic of being responsive or sensitive to light, often referring to materials or biological entities that change in presence of light.
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