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The name "cat's eye" comes from Shaw's inspiration for the device: the eyeshine reflecting from the eyes of a cat. In 1934, he patented his invention (patents Nos. 436,290 and 457,536), and on 15 March 1935, founded Reflecting Roadstuds Limited in Halifax to manufacture the items.
Percy Shaw. Percy Shaw, OBE (15 April 1890 – 1 September 1976) was an English inventor and businessman. He patented the reflective road stud or "cat's eye" in 1934, and set up a company to manufacture his invention in 1935. An early poster and catalogue image.
Fixation disparity. Fixation disparity is a tendency of the eyes to drift in the direction of the heterophoria. While the heterophoria refers to a fusion-free vergence state, the fixation disparity refers to a small misalignment of the visual axes when both eyes are open in an observer with normal fusion and binocular vision. [1]
The 1,600-acre (648-hectare) Dos Rios tract in the state's crop-rich Central Valley is set to open June 12 as California's 281st state park. California announces first new state park in a decade ...
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Optical phenomena are any observable events that result from the interaction of light and matter . All optical phenomena coincide with quantum phenomena. [ 1] Common optical phenomena are often due to the interaction of light from the Sun or Moon with the atmosphere, clouds, water, dust, and other particulates.
Updated July 27, 2024 at 6:37 PM. Active wildfires across California have consumed more than 626,000 acres as of Saturday, according to Cal Fire. California Gov. Gavin Newsom declared a state of ...
The cars were produced from 1988 to 2001 (the last ones being sold for model year 2002) alongside the Corolla at NUMMI, an assembly plant operated as a joint venture of GM and Toyota. The Prizm was sold exclusively in the United States and succeeded the 1985–1988 Chevrolet Nova , which was also derived from the Sprinter and produced at NUMMI.