A mirror is an object that reflects light or sound in a way that preserves much of its original quality subsequent to its contact with the mirror. Some mirrors also filter out some wavelengths, while preserving other wavelengths in the reflection. This is different from other light-reflecting objects that do not preserve much of the original wave signal other than color and diffuse reflected light. The most familiar type of mirror is the plane mirror, which has a flat surface. Curved mirrors are also used, to produce magnified or diminished images or focus light or simply distort the reflected image.

Mirrors are commonly used for personal grooming or admiring oneself (in which case the archaic term looking-glass is sometimes still used), decoration, and architecture. Mirrors are also used in scientific apparatus such as telescopes and lasers, cameras, and industrial machinery. Most mirrors are designed for visible light; however, mirrors designed for other types of waves or other wavelengths of electromagnetic radiation are also used, especially in non-optical instruments.

Read more about Mirror:  History, Manufacturing, Types of Glass Mirror, Mirrors and Superstition, Mirrors and Animals, Unusual Kinds of Mirrors

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Famous quotes containing the word mirror:

    She left the web, she left the loom,
    She made three paces through the room,
    She saw the water-lily bloom,
    She saw the helmet and the plume,
    She looked down to Camelot.
    Out flew the web and floated wide;
    The mirror cracked from side to side;
    “The curse is come upon me,” cried
    The Lady of Shalott.
    Alfred Tennyson (1809–1892)

    A man’s memory is bound to be a distortion of his past in accordance with his present interests, and the most faithful autobiography is likely to mirror less what a man was than what he has become.
    Fawn M. Brodie (1915–1981)