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Review:
3D Revelator
8.11.99
The Concept of Shutter Glasses In 1848, an English physicist by the name
of Charles Wheatstone discovered that two similar images viewed
from different angles gave the perception of depth. Soon after,
stereoscopic vision was born. It ended up becoming the
favorite pastime of the late 19th century, and has remained
popular even today. Spacial Perception Have you ever covered one of your eyes and saw an image shift to you left or right? The effect is known as spatial perception, and it plays a crucial role in how shutter glasses work. Since we have two eyes, our brain takes in two different images, then combines them, thus giving us the ability to perceive an image in three dimensions. 3D glasses take advantage of this phenomenon by using colors or shutters to yield a perceived 3D image on a flat surface. Shutter Glasses: How they work Shutter glasses are relatively simple in concept. As mentioned before, our eyes perceive two different images. Blocking one eye while the other views an image, then alternating left and right between open and closed positions tricks the brain into thinking a 3D image exists where there, in fact, is none. The final result, when done correctly, is spatial perception in a non-spatial environment -- your computer monitor
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