A stereogram is an optical phantasm that creates the notion of a three-dimensional picture when seen accurately. Stereograms are usually created by combining two barely completely different pictures, that are then seen by means 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 change into more and more standard as a type of leisure, and there at the moment are many web sites and books that present free stereograms for viewing.
