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