Talking Pyramids

Keeping with the old photos theme I thought I’d post a photo of the Great Pyramid from 1904.

Stereoscopic photographs were very popular at the turn of last century. They were made simply by taking a second photograph beside the first in order to present each eye with a slightly different angle of the same subject.

The resulting double image would require a special viewer called a stereoscope in order to perceive the 3D effect.

To allow us to benefit from these double images on a computer the two photos that were taken side by side are instead placed on top of one another and set to alternate between the two views to create the illusion of three dimensions, much like the plastic images you can still find inside chip packets that present two views of the same object if you tilted it to the left or right.

Photo of the Pocket Stereoscope by Joaquim Alves Gaspar CC BY SA 3.0

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Tags: Giza, Khufu