Spacetime
In physics, spacetime is a mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional continuum. Spacetime diagrams are useful in visualizing and understanding relativistic effects such... Wikipedia
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May 9, 2018 · In physics and, more generally, in the natural sciences, space and time are the foundation of all theories. Yet we never see spacetime directly.
Spacetime - Simple English Wikipedia, the free encyclopedia
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Spacetime or space–time is a mathematical model that joins space and time into a single idea called a continuum. This four-dimensional continuum is known as ...