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Pages for logged out editors learn more. Contributions; ... Print/export Download as PDF ... move to sidebar hide. The Green Journal, in informal usage, may refer to: ...
Rosy retrospection is a proposed psychological phenomenon of recalling the past more positively than it was actually experienced. [1]The highly unreliable nature of human memory is well documented and accepted amongst psychologists.
Simple sheet or uncorrected molded glasses do not compensate for the 250 nanometer difference in the wavelengths of the red-cyan filters. With simple glasses the red filter image can be blurry when viewing a close computer screen or printed image since the retinal focus differs from the cyan filtered image, which dominates the eyes' focusing.
Physics and Chemistry of Glasses: European Journal of Glass Science and Technology Part B is a bimonthly peer-reviewed scientific journal published by the Society of Glass Technology. It was established in 2006, from the merger of the Society of Glass Technology's journal Physics and Chemistry of Glasses [ 1 ] and the Deutsche Glastechnische ...
Full frame glasses have the frame go all around the lenses. Half frames go around only half the lens; typically the frames attach to the top of the lenses and on the side near the top. Frameless glasses have no frame around the lenses and the ear stems are attached directly to the lenses.
Pinhole glasses, also known as stenopeic glasses, are eyeglasses with a series of pinhole-sized perforations filling an opaque sheet of plastic in place of each lens. Similar to the workings of a pinhole camera , each perforation allows only a very narrow beam of light to enter the eye which reduces the size of the circle of confusion on the ...
In the 1950s, Pilkington Bros., England, developed the float glass process, producing high-quality distortion-free flat sheets of glass by floating on molten tin. [21] Modern multi-story buildings are frequently constructed with curtain walls made almost entirely of glass. [47] Laminated glass has been widely applied to vehicles for windscreens ...
In motion-picture cameras, the ground glass is a small, usually removable piece of transparent glass that sits between the rotary disc shutter and the viewfinder. The ground glass usually contains precise markings to show the camera operator the boundaries of the frame or the center reticle, or any other important information. Because the ...