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As a consequence of the Lorentz transformations, time and space transform into each other when changing reference frame. This calls for a unified description: Minkowski spacetime.

Term introduced by Herman Minkowki to describe the ontological status of space and time in the theory of special relativity and subsequently also in general relativity and more modern theories.

As a consequence of the Lorentz transformations, time and space transform into each other when changing reference frame. This calls for a unified description: Minkowski spacetime.

The term has outgrown its original context, and is now used in other theories.

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