History of 3D

3D projection is any method of mapping three-dimensional points to a two-dimensional plane. It was not until 1950 that 3D projection reached mass appeal. During this time, the white cardboard glasses with red and blue lenses – called anaglyph – came into vogue. The blue lens filters out red light and the red lens filters out blue light so each eye sees a slightly different image. When a 3D movie is projected on a screen, two images are displayed, one in red and one in blue. Since each lens of the glasses has a filter, only one of the two images can reach each eye. The brain merges both images together, which results in the illusion of an image popping out of the screen. Despite anaglyph glasses’ universal association with 3D, they are rarely used anymore.

3D Universe

The 3D Universe was inaugurated by Dr. Larry James, COO of the Jet Propulsion Laboratory of NASA on March 29, 2016. In the 3D Universe, we use the new polarising system for 3D projection.

Many of today’s cinematic 3D experiences are delivered via polarising systems. These send the projector’s light through polarising filters that force the light waves to oscillate in two different directions, one intended for the left eye and the other for the right. A special polarisation preserving screen is required. Filters on the glasses allow the lenses to passively pick up the light meant for each eye. The brain combines the two images and we visualise a three-dimensional space. Colour is improved and cross-talk (when one eye picks up an image meant for the other) is virtually eliminated with the polarising method, delivering an unforgettable 3D viewing experience.

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The shows at 3D Universe mostly encompass mysteries of the universe and life on our planet in a three-dimensional projection making it easier to understand, remember and recollect.