Actually, as incredible as it may seem, this all began in 1840, with Sir Charles Wheatstone (1802-1875), the man whose invention laid the foundations of what we know today as virtual reality:

At the age of 38, in 1840, this scientist and inventor, a member of the Royal Society, invented … (read more)

Actually, as incredible as it may seem, this all began in 1840, with Sir Charles Wheatstone (1802-1875), the man whose invention laid the foundations of what we know today as virtual reality:

At the age of 38, in 1840, this scientist and inventor, a member of the Royal Society, invented the stereoscope, a device that created the illusion of seeing three-dimensional images with a simple but effective method.
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Based on the principle of depth perception of our brain, two identical images are recreated but focused from different angles, when observed through this device, our eyes send the "false" information that we are in front of a three-dimensional scenario (something, no doubt, surreal to be explained outside very academic or scientific circles at that time).

-Cristian Acosta