Light
Visible light (commonly referred to simply as light) is electromagnetic radiation that is visible to the human eye, and is responsible for the sense of sight. Visible light has a wavelength in the range of about 380 nanometres to about 740 nm – between the invisible infrared, with longer wavelengths and the invisible ultraviolet, with shorter wavelengths.
Read more about Light.
Famous quotes containing the word light:
“When I could not see the light with my blind eyes, I blamed not my eyes, but the sun.”
—Jerome (c. 340–420)
“Long enough I had heard of irrelevant things; now at length I was glad to make acquaintance with the light that dwells in rotten wood. Where is all your knowledge gone to? It evaporates completely, for it has no depth.”
—Henry David Thoreau (1817–1862)
“She said, “as the light on the dashboard ran
Along the bushes at the roadside a man’s face.
You must have seen it too.””
—Robert Frost (1874–1963)