When a person is looking in the mirror, subtracting about 30% from the image of the mirror is our true face value. The beauty of the mirror is related to many factors. One depends on the shape of the mirror, and the unevenness of the mirror will also affect the imaging of people in the mirror.
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In English, a mirror is an object with a smooth surface and can reflect light. At first, the ancients used polished bronze as mirrors.
There are two kinds of mirrors: flat mirror and curved mirror. Flat mirrors are often used to tidy up the appearance. Curved mirrors are divided into concave mirror and convex mirrors, which are mainly used as dressing mirrors, furniture accessories, architectural decoration parts, optical instruments, solar cookers, reflectors for headlights and searchlights, reflecting telescope, car rearview mirrors, etc.
In science, mirrors are often used in telescopes, lasers, industrial instruments and other instruments. Metal devices with regular reflective surfaces and glass or metal products with metal reflective films are often inlaid with metal, plastic or wooden frames.