physics, mathematical physics, philosophy of physics
theory (physics), model (physics)
experiment, measurement, computable physics
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Types of quantum field thories
The meter or metre (in European spelling) is a physical unit of length. It is defined by taking the fixed numerical value of the speed of light in vacuum to be when expressed in the unit (meters per second), where the second is previously defined.
See also
Last revised on October 27, 2020 at 15:11:40. See the history of this page for a list of all contributions to it.