Smooth surface reflecting light so the reflected image is created items located in front of the mirror. The mirror is the simplest type of mirror. Its surface is almost always flat, and the main purpose is to view it. Currently in daily use are used almost exclusively the mirror glass.
The mirror is one of the oldest inventions of human civilization. In the ancient era has seen a mirror of polished metal for example. bronze, lead, silver. They dominated for most of the middle ages, although already in and. CE The Romans discovered the technology of producing glass mirrors. It was forgotten for hundreds of years and it was only in the 13th century, again went to Europe. It seems likely that the invention that made this time Muslims living in Spain. In the Christian world has seen glass mirrors at the end of the middle ages. These were the mirror to be covered, on the one hand, metal, for example lead.