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Reflecting telescope — 24 inch convertible Newtonian/Cassegrain reflecting telescope on display at the Franklin Institute. A reflecting telescope (also called a reflector) is an optical telescope which uses a single or combination of curved mirrors that reflect light… … Wikipedia
Anamorphosis — is a distorted projection or perspective requiring the viewer to use special devices or occupy a specific vantage point to reconstitute the image. Ana morphosis comes from the Greek words meaning formed again. In other languages: αναμόρφωση (or… … Wikipedia
lighthouse — /luyt hows /, n., pl. lighthouses / how ziz/. 1. a tower or other structure displaying or flashing a very bright light for the guidance of ships in avoiding dangerous areas, in following certain routes, etc. 2. either of two cylindrical metal… … Universalium

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