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• n  a generalization of special relativity to include gravity (based on the principle of equivalence)

• general theory of relativity
• general relativity theory
• Einstein's general theory of relativity

News & Articles

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• Space-Time Loops May Explain Black Holes
  Physics cannot describe what happens inside a black hole. There, current theories break down, and general relativity collides with quantum mechanics, creating what's called a singularity, or a point where the equations spit out infinities.
  July 10, 2013 - SPACE.com