A stereogram is an optical phantasm that creates the notion of a three-dimensional picture when considered appropriately. Stereograms are sometimes created by combining two barely totally different photos, that are then considered by a stereoscope or through the use of the free-viewing approach. When considered appropriately, the 2 photos merge to create a single three-dimensional picture.
Stereograms have been used for hundreds of years to create quite a lot of optical illusions and results. They’ve additionally been utilized in scientific analysis to check the human visible system. Lately, stereograms have develop into more and more standard as a type of leisure, and there are actually many web sites and books that present free stereograms for viewing.
