composite mirror
41Silicon carbide — Chembox new Name = Silicon carbide ImageFile = Silicon carbide 3D balls.png ImageSize = 140px ImageName = Ball and stick model of part of a crystal of SiC ImageFile1 = silicon carbide detail.jpg ImageSize1 = 140px OtherNames = Section1 = Chembox… …
4273 (number) — ← 72 74 → 73 ← 70 71 72 73 74 75 76 …
43Return to Oz — Infobox Film name = Return to Oz caption = Theatrical release poster director = Walter Murch producer = Paul Maslansky writer = L. Frank Baum (novels) Gill Dennis Walter Murch starring = Fairuza Balk Nicol Williamson Jean Marsh Piper Laurie Matt… …
44holography — /heuh log reuh fee/, n. the process or technique of making holograms. [1795 1805; HOLO + GRAPHY] * * * Method of recording or reproducing a three dimensional image, or hologram, by means of a pattern of interference produced using a laser beam.… …
45South Asian arts — Literary, performing, and visual arts of India, Pakistan, Bangladesh, and Sri Lanka. Myths of the popular gods, Vishnu and Shiva, in the Puranas (ancient tales) and the Mahabharata and Ramayana epics, supply material for representational and… …
46aerospace industry — Introduction assemblage of manufacturing concerns that deal with vehicular flight within and beyond the Earth s atmosphere. (The term aerospace is derived from the words aeronautics and spaceflight.) The aerospace industry is engaged in the …
47Honeycomb structure — For other uses, see Honeycomb (disambiguation). An image of aluminum honeycomb structure …
48O'pen BIC — Current Specifications Crew 1 2 depending on weight LOA 2,750 mm (9 ft 0 in) Beam 1,140 mm (3 ft 9 in) Hu …
49Stratospheric Observatory for Infrared Astronomy — Infobox Observatory name = SOFIA caption = The 747SP, which now serves as NASA s SOFIA, on a test flight in 1997. Still mostly in United Airlines livery, a black square was painted on the aft fuselage to indicate the area that would house the… …
50Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of …
