coordinate clock
111Time travel — This article details time travel itself. For other uses, see Time Traveler. Time travel is the concept of moving between different moments in time in a manner analogous to moving between different points in space, either sending objects (or in… …
112Relativity priority dispute — Albert Einstein presented the theories of Special Relativity and General Relativity in groundbreaking publications that either contained no formal references to previous literature, or referred only to a small number of his predecessors for… …
113Kepler problem in general relativity — The Kepler problem in general relativity involves solving for the motion of two spherical bodies interacting with one another by gravitation, as described by the theory of general relativity.Typically, and in this article, one body is assumed to… …
114University of North Carolina at Greensboro — Motto Service Established 1891 Type Public …
115Bughouse chess — Infobox Game subject name=Bughouse chess image link= image caption= players=4 setup time= 1 minute playing time= Usually 5 to 10 minutes complexity=Medium strategy=High random chance=None skills=Chess strategy, Blitz chess footnotes= bggid= 14188 …
116History of Lorentz transformations — The Lorentz transformations relate the space time coordinates, (which specify the position x , y , z and time t of an event) relative to a particular inertial frame of reference (the rest system ), and the coordinates of the same event relative… …
117Mathematical discussion of rangekeeping — In naval gunnery, when long range guns became available, an enemy ship would move some distance after the shells were fired. It became necessary to figure out where the enemy ship, the target, was going to be when the shells arrived. The process… …
118International Atomic Time — ( [http://www.bipm.org/en/scientific/tai/tai.html TAI] , from the French name Temps Atomique International) is a high precision atomic time standard that tracks proper time on Earth s geoid. It is the principal realisation of Terrestrial Time,… …
119Gravitational redshift — In physics, light or other forms of electromagnetic radiation of a certain wavelength originating from a source placed in a region of stronger gravitational field (and which could be said to have climbed uphill out of a gravity well) will be… …
120Schwarzschild metric — In Einstein s theory of general relativity, the Schwarzschild solution (or the Schwarzschild vacuum) describes the gravitational field outside a spherical, non rotating mass such as a (non rotating) star, planet, or black hole. It is also a good… …
