Light

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.

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Famous quotes containing the word light:

    “She would rather light a candle than curse the darkness, and her glow has warmed the world.”
    —Adlai Stevenson (1900–1965)

    “The light passes
    from ridge to ridge,
    from flower to flower.”
    —Hilda Doolittle (1886–1961)

    “The light of heaven falls whole and white
    And is not shattered into dyes....”
    —Robert Frost (1874–1963)