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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.
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 ...
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 ...
Scottish inventions and discoveries are objects, processes or techniques either partially or entirely invented, innovated, or discovered by a person born in or descended from Scotland. In some cases, an invention's Scottishness is determined by the fact that it came into existence in Scotland (e.g., animal cloning ), by non-Scots working in the ...
Cosmos: A Sketch of a Physical Description of the Universe by Alexander von Humboldt, covering a large number of topics in scientific exploration and invention.; The Descent of Man and Selection in Relation to Sex by Charles Darwin, outlining his theory for man's origins and his theory of sexual selection, and including his first published use of the term evolution (published by John Murray in ...
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 ...
The Kaleidoscope; or, Literary and Scientific Mirror was an English weekly published between 1818 and 1831 by the Liverpool publisher Egerton Smith (1774–1841), who had established the Liverpool Mercury in 1811. [1] The magazine's name was taken from David Brewster's recent invention. [1]
July 3 – John Bell Hatcher (born 1861), American paleontologist. September 24 – Niels Ryberg Finsen (born 1860), Icelandic/Faroese/Danish physician and scientist, recipient of the Nobel Prize in Physiology or Medicine. October 7 – Isabella Bird (born 1831), British explorer, writer, photographer and naturalist.