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In mathematics, a

**cube**root of a number x is a number y such that y3 = x. All nonzero real numbers, have exactly one real**cube**root and a pair of complex conjugate**cube**roots, and all nonzero complex numbers have three distinct complex**cube**roots. For example, the real**cube**root of 8, denoted , is 2, because 23 = 8, while the other**cube**roots ...A gnomonic map projection is a map projection which displays all great circles as straight lines, resulting in any straight line segment on a gnomonic map showing a geodesic, the shortest

**route**between the segment's two endpoints.Orthodromic course drawn on the

**earth**globe. Great-circle navigation or orthodromic navigation (related to orthodromic course; from Ancient Greek ορθός (orthós) 'right angle', and δρόμος (drómos) 'path') is the practice of navigating a vessel (a ship or aircraft) along a great circle. Such**routes**yield the shortest distance between ...**Google Earth**.**Google Earth**is a computer program that renders a 3D representation of**Earth**based primarily on satellite imagery. The program maps the**Earth**by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users to see cities and landscapes from various angles. Users can explore the globe by entering ...SEE ALSO:

**Google**Maps' new directions point you to the ‘cleanest’**route****Google****Earth**has 800 Timelapse videos available for anyone to download at g.co/TimelapseVideos or to watch on YouTube.A scrambled Rubik's

**Cube**. Optimal solutions for Rubik's**Cube**refer to solutions that are the shortest. There are two common ways to measure the length of a solution. The first is to count the number of quarter turns. The second is to count the number of outer-layer twists, called "face turns". A move to turn an outer layer two quarter (90 ...Given the edge of a

**cube**, the problem requires the construction of the edge of a second**cube**whose volume is double that of the first. As with the related problems of squaring the circle and trisecting the angle , doubling the**cube**is now known to be impossible to construct by using only a compass and straightedge , but even in ancient times ...