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curved space-time |
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curved space-time [¦kərvd ′spās ′tīm] (relativity) A four-dimensional Riemannian space, in which there are no straight lines but only curves, which is a generalization of the Minkowski universe in the general theory of relativity. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The core ideas profiled address topics in evolution and the emergence of complexity, DNA and genetics, energy, entropy, the atomic structure of matter, symmetry, quantum theory, curved space-time, the expanding universe, and mathematics. In such a universe, certain idealized machines, such as one made of balls attached to long, adjustable struts, can propel themselves through curved space-time by shifting the relative positions of their parts, suggests Jack Wisdom of the Massachusetts Institute of Technology in the March 21 Science. However, because an orbiting gyroscope would be moving through curved space-time around the Earth, Einstein's theory predicts the gyroscope should precess, or tilt, slightly as it spins. |
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