the+same+in+circumference
51Anthropic units — The ability to characterize, quantify, and measure objects in the physical world is an essential milestone towards the development of complex human civilizations. A vast number of measurement standards have evolved over time, and these standards… …
52History of cartography — The Fra Mauro map, one of the greatest memorial of medieval cartography, was made around 1450 by the Venetian monk Fra Mauro. It is a circular world map drawn on parchment and set in a wooden frame, about two meters in diameter Cartography (from… …
53Ehrenfest paradox — The Ehrenfest paradox concerns the rotation of a rigid disc in the theory of relativity.In its original formulation as presented by Paul Ehrenfest 1909 in the Physikalische Zeitschrift, it discusses an ideally rigid cylinder that is made to… …
54Indiana Pi Bill — The Indiana Pi Bill is the popular name for bill #246 of the 1897 sitting of the Indiana General Assembly, which is one of the most famous attempts to establish scientific truth by legislative fiat. Despite its popular name, the main result… …
55Gear ratio — The gear ratio is the relationship between the number of teeth on two gears that are meshed or two sprockets connected with a common roller chain, or the circumferences of two pulleys connected with a drive belt. General description In the… …
56Instant centre of rotation — The instant centre of rotation, also called instantaneous centre , for a plane figure moving in a two dimensional plane is a point in its plane around which all other points on the figure, for one instant, are rotating. This point itself is the… …
57Largest organisms — The largest organism found on earth can be measured using a variety of methods. It could be defined as the largest by volume, mass, height, or length. Some creatures group together to form a superorganism, though this cannot truly be classed as… …
58Marsaglia polar method — The polar method (attributed to George Marsaglia, 1964[1]) is a pseudo random number sampling method for generating a pair of independent standard normal random variables. While it is superior to the Box–Muller transform[citation needed], the… …
59Atomic orbital — The shapes of the first five atomic orbitals: 1s, 2s, 2px, 2py, and 2pz. The colors show the wave function phase. These are graphs of ψ(x,y,z) functions which depend on the coordinates of one electron. To see the elongated shape of ψ(x,y,z)2… …
60Smith chart — The Smith Chart, invented by Phillip H. Smith (1905 1987), [Smith, P. H.; Transmission Line Calculator; Electronics, Vol. 12, No. 1, pp 29 31, January 1939] [Smith, P. H.; An Improved Transmission Line Calculator; Electronics, Vol. 17, No. 1, p… …
