Examples in General Relativity
The difference between SR and general relativity (GR) is that in GR you can use any metric which is a solution of the Einstein field equations, not just the Minkowski metric. Because inertial motion in curved spacetimes lacks the simple expression it has in SR, the line integral form of the proper time equation must always be used.
Read more about this topic: Proper Time
Famous quotes containing the words examples, general and/or relativity:
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—Michel de Montaigne (1533–1592)
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—Albert Einstein (1879–1955)