Twin Falls (Idaho)
Twin Falls is a waterfall in the Western United States, western United States, on the Snake River in the Snake River Canyon (Idaho), Snake River Canyon of Magic Valley, south-central Idaho. The falls are located on the border of Jerome County, Idaho, Jerome and Twin Falls County, Idaho, Twin Falls counties, a few miles east of its namesake city, Twin Falls, Idaho, Twin Falls. They are upstream (east) of Pillar Falls and Shoshone Falls and just downstream from Milner Dam. Water flows westward over Twin Falls and is controlled by the Twin Falls Dam, built in the 1930s and used for irrigation and hydroelectricity, hydroelectric power generation. There were originally two parallel falls, but the dam permanently diverted the flow from the southern falls, leaving a single (north) waterfall. Before the dam, very high flow rates could result in a smaller third falls, to the south. See also *List of waterfalls in Idaho *List of rivers of Idaho *List of lakes of Idaho References Exter ...
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Stereoscope
A stereoscope is a device for viewing a stereoscopic pair of separate images, depicting left-eye and right-eye views of the same scene, as a single three-dimensional image. A typical stereoscope provides each eye with a lens that makes the image seen through it appear larger and more distant and usually also shifts its apparent horizontal position, so that for a person with normal binocular depth perception the edges of the two images seemingly fuse into one "stereo window". In current practice, the images are prepared so that the scene appears to be beyond this virtual window, through which objects are sometimes allowed to protrude, but this was not always the custom. A divider or other view-limiting feature is usually provided to prevent each eye from being distracted by also seeing the image intended for the other eye. Most people can, with practice and some effort, view stereoscopic image pairs in 3D without the aid of a stereoscope, but the physiological depth cues result ...
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