curved hole
61Warp drive — is a form of faster than light propulsion in the fictional universe of Star Trek, capable of propelling spacecraft or objects to many multiples of the speed of light but avoiding the problems of time dilation. It is also featured in several… …
62List of cloud types — Clouds are formed in Earth s atmosphere when water evaporates into vapor from oceans, lakes, and ponds or by evapotranspiration over moist areas of Earth s land surface. The vapor rises up into colder areas of the atmosphere due to convective,… …
63human evolution — Evolution of modern human beings from nonhuman and extinct hominid forms. Genetic evidence points to an evolutionary divergence between the lineages of humans and the great apes (Pongidae) on the African continent 5–8 million years ago. The… …
64Architecture and Civil Engineering — ▪ 2009 Introduction Architecture For Notable Civil Engineering Projects in work or completed in 2008, see Table (Notable Civil Engineering Projects (in work or completed, 2008)). Beijing was the centre of the world of architecture… …
65golf — golfer, n. /golf, gawlf/; Brit. also /gof/, n. 1. a game in which clubs with wooden or metal heads are used to hit a small, white ball into a number of holes, usually 9 or 18, in succession, situated at various distances over a course having… …
66Gravitational lens — Gravitational Lensing Formalism Strong lensing …
67Spiral galaxy — A spiral galaxy is a galaxy belonging to one of the three main classes of galaxy originally described by Edwin Hubble in his 1936 work “The Realm of the Nebulae” [cite book |last=Hubble |first=E. P. |authorlink=Edwin Hubble |title=The Realm of… …
68Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …
69AdS/CFT correspondence — For the relation of the AdS/CFT correspondence to the general context of string theory, see String theory. The conformal field theory, which may be a gauge theory lies on the conformal boundary of anti deSitter space with quantum gravity. In… …
70Washer (hardware) — Assorted washers: flat, split, star and insulated A washer is a thin plate (typically disk shaped) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a screw or nut. Other uses are… …
