I don’t get it.
In: Technology
The reflective part of a mirror is an extremely thin layer of a shiny metal, usually either silver or aluminum. Because the layer is so thin it needs to attached to something stronger so it doesn’t get scratched or rubbed away when the mirror is handled. Glass is used because it’s transparent, and it’s easy to make a very flat piece of glass which prevents the image in the mirror from being distorted. Most mirrors are made by taking a sheet of glass and applying a series of chemical treatments which cause a thin layer of metal to grow on one side. The metal then gets an opaque coating such as paint on the other side so the super thin metal coating is protected from damage on both sides.
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