B Why Does the Speed of Light Max Out at 186,282 Miles Per Second?

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The speed of light is defined as 186,282 miles per second, but this value is dependent on the chosen units of measurement. The invariance of this speed is a fundamental aspect of physics, as all inertial reference frames agree on its value, which leads to significant implications in relativity. The numerical value of the speed of light arises from the definitions of the meter and second, making it an artifact of our unit system rather than a fundamental property of the universe. While Maxwell's equations predict the existence of electromagnetic waves traveling at this speed, the deeper reasons for why it has this specific value remain unknown. Ultimately, the question of "why" the speed of light is what it is often leads back to the definitions and relationships established in our measurement systems.
  • #121
thetexan said:
TL;DR Summary: Why this speed

Is there an explanation for why the speed of light tops out at 186,282 miles per second?
Yes. There is an explanation but, to follow it in depth, you need to take a course in advanced Electromagnetic Theory. There is no short cut to this one; you just have to accept what you're told and believe that Science is 'right' in this respect
 

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