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Easy-to-use gravity simulator that accurately solves the n-body problem Cavendish is a robust and easy to use visualization tool for the N-body problem. The first program of its kind for Mac OS X, Cavendish has an intuitive interface, beautiful graphics and a fast and accurate core physics engine.Cavendish is named for Henry Cavendish (1731 - 1810) who used a torsion balance to make the first accurate measurement of the universal gravitational constant.Cavendish simulates gravitation and accurately models gravity slingshots, stable planetary orbits, galactic collisions, solar systems, asteroid belts, or any other world you can imagine.Cavendish uses OpenGL for rendering and Qt for the user interface. The dynamics are computed by a particle-particle method: first, all forces between objects are calculated; second, a fourth-order Runge-Kutta method is used to approximate the solution to the set of differential equations. An external governor varies the size of the time step to reflect the scale of the dynamics and to ensure energy conservation. Collisions between objects are assumed to be perfectly inelastic. Here are some key features of "Cavendish Education": · 3D simulation and visualization via OpenGL · Accurate gravitation and collision dynamics · Human-readable XML data files · True support for an infinite number of bodies · Export to tab-delimited data for later analysis · Automatic tracking of bodies · Complete control over simulations: over 45 different customizable parameters · Wicked fast performance · Easy to use system design tool Limitations: · Cavendish is distributed in an uncrippled form. Your download will not expire after a certain period of time. Download the program and see if it meets your needs. If it does, support the developer and purchase a registration code!

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