The Dynamics of the Constancy of Light Speed
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Just as Einstein said, "Light is always propagated in empty space with a definite velocity \(c\) which is independent of the state of motion of the emitting body", which has been experimentally verified and is widely known. However, physics textbooks do not tell us the dynamic reason why the speed of light remains constant in a vacuum. By re-examining the electrostatic field dragged by point charges, the static gravitational field dragged by the sun, and the Casimir effect of a vacuum (that is, the vacuum is not empty and has materiality), this paper presents that all non-zero-mass objects inevitably possess their respective static vacuum fields, and reintroduces the vacuum medium model. This result shows that the constancy of light speed in a vacuum and the constancy of sound speed in homogeneous air are consistent in the natural mechanism, thereby equipping the theoretical possibility to quantize the vacuum and unify quantum-level and macroscopic systems.
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References
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