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A toy kaleidoscope. A kaleidoscope (/ k ə ˈ l aɪ d ə s k oʊ p /) is an optical instrument with two or more reflecting surfaces (or mirrors) tilted to each other at an angle, so that one or more (parts of) objects on one end of these mirrors are shown as a symmetrical pattern when viewed from the other end, due to repeated reflection.
The kaleidophone was invented by Charles Wheatstone, who published an account of the device in 1827. [1] The name "kaleidophone" was derived from the kaleidoscope, an optical toy invented in 1817 by David Brewster. [citation needed] Wheatstone's photometer was probably suggested by this appliance. The photometer enables two lights to be ...
John Gorham 3D a small metal strip or crystal shape forming the half of a contour image is spun around fast to appear as a full solid 3D object, marketed by Stereoscopic Company (London Stereoscopic & Photographic Co.) [6] [7] 1868 Flip book: John Barnes Linnett: animation 1877 Praxinoscope: Charles-Émile Reynaud: animation 1894 Mutoscope
A teleidoscope is a kind of kaleidoscope, with a lens and an open view, so it can be used to form kaleidoscopic patterns from objects outside the instrument, rather than from items installed as part of it. Invented by John Lyon Burnside III [1] and Harry Hay, the patent was filed in 1970 and granted in 1972. [2] A large teleidoscope in a public ...
John F. King is a retired American military officer and the state of Georgia's Insurance and Safety Fire Commissioner. He was appointed by Governor Brian Kemp as commissioner on July 1, 2019, replacing Jim Beck .
Sir David Brewster KH PRSE FRS FSA Scot FSSA MICE (11 December 1781 – 10 February 1868) was a Scottish scientist, inventor, author, and academic administrator. In science he is principally remembered for his experimental work in physical optics, mostly concerned with the study of the polarization of light and including the discovery of Brewster's angle.
Engineers during World War Two test a model of a Halifax bomber in a wind tunnel, an invention that dates back to 1871.. The following is a list and timeline of innovations as well as inventions and discoveries that involved British people or the United Kingdom including the predecessor states before the Treaty of Union in 1707, the Kingdom of England and the Kingdom of Scotland.
British mathematician Charles Babbage recalled in 1864 that the thaumatrope was invented by the geologist William Henry Fitton. Babbage had told Fitton how the astronomer John Herschel had challenged him to show both sides of a shilling at once. Babbage held the coin in front of a mirror, but Herschel showed how both sides were visible when the ...