To simplify - c is the maximum speed at which a “cause” can be transferred.
If I send a radio signal to turn on a light, and the light will only turn on in response to that signal, the signal cannot travel faster than c otherwise it would not have been able to turn on the light.
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We have proven that’s impossible. Speed limit c Einstein enforced.
Why impossible? Genuinely curious
To simplify - c is the maximum speed at which a “cause” can be transferred.
If I send a radio signal to turn on a light, and the light will only turn on in response to that signal, the signal cannot travel faster than c otherwise it would not have been able to turn on the light.
Depends on how much time you got innit
Teleportation is instantaneous; there is 0 travel time.🤦♂️