ring-shaped torus

См. также в других словарях:

• torus — [ tɔ:rəs] noun (plural tori rʌɪ or toruses) 1》 Geometry a surface or solid resembling a ring doughnut, formed by rotating a closed curve about a line which lies in the same plane but does not intersect it. 2》 a ring shaped object or chamber. 3》… …   English new terms dictionary

• Stanford torus — The Stanford torus is a proposed design for a space habitat capable of housing approximately 10,000 to 140,000 permanent residents. It consists of a torus or donut shaped ring that is 1.8 km in diameter (for the proposed 10,000 person habitat… …   Wikipedia

• O-ring — This article is about the mechanical seal. For other uses, see Oring. Typical O ring and application An O ring, also known as a packing, or a toric joint, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a disc… …   Wikipedia

• Planetary ring — Shepherd moon redirects here. For the Enya album, see Shepherd Moons. The moons Prometheus and Pandora shepherd the F ring of Saturn. A planetary ring is a ring of cosmic dust and other small particles orbiting around a planet in a flat disc… …   Wikipedia

• Doughnut — For other uses, see Doughnut (disambiguation). A glazed doughnut …   Wikipedia

• Space habitat — A pair of O Neill cylinders …   Wikipedia

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

• Bagel — For other uses, see Bagel (disambiguation). A plain commercially produced bagel (as evidenced by grate marks used in steaming, rather than boiling) …   Wikipedia

• Toroidal inductors and transformers — …   Wikipedia

• Steam whistle — A steam whistle is a device used to produce sound with the aid of live steam. Unlike a horn, the sounding mechanism of a whistle contains no moving parts (compare to train horn).The whistle consists of the following main parts, as seen on the… …   Wikipedia

• Aurora (astronomy) — Aurora Borealis redirects here. For other uses, see Aurora Borealis (disambiguation). Aurora Australis redirects here. For the ship, see Aurora Australis (icebreaker). For the book, see Aurora Australis (book). Northern lights redirects here. For …   Wikipedia