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Eyeshades. Green eyeshades or dealer's visors are a type of visor that were worn most often from the late 19th century to the mid-20th century by accountants, telegraphers, copy editors, and others engaged in vision-intensive, detail-oriented occupations to lessen eye strain [1] due to early incandescent lights and candles, which tended to be harsh (the classic banker's lamp had a green shade ...
He is a bald, yellow-green skinned, bespectacled, lab-coated scientist who presented periodic science segments from "Muppet Labs, where the future is being made today." The character has no eyes, only completely transparent, lensless glasses , giving the appearance of a stereotypical absent-minded intellectual .
Anaglyph 3D glasses have a different colored filter for each eye, typically red and blue or red and green. A polarized 3D system on the other hand uses polarized filters. Polarized 3D glasses allow for color 3D, while the red-blue lenses produce an image with distorted coloration. An active shutter 3D system uses electronic shutters.
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The Google Art Project was a development of the virtual museum projects of the 1990s and 2000s, following the first appearance of online exhibitions with high-resolution images of artworks in 1995. In the late 1980s, art museum personnel began to consider how they could exploit the internet to achieve their institutions' missions through online ...
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Glasses with a notch filter (e.g. EnChroma glasses) filter a narrow band of light around 590 nm that excites both the L- and M-cones (yellow-green wavelengths). [12] They are often combined with an additional stopband in the short wavelength (blue) region to minimize the tint on the lenses and approximate a neutral-density filter. They improve ...