@ian Light travels at... the speed of light.
Because time dilation depends on speed and is greatest at the speed of light--which means that from the perspective of the light it instantly travels anywhere but also that no time exists.
@ian Light travels at... the speed of light.
Because time dilation depends on speed and is greatest at the speed of light--which means that from the perspective of the light it instantly travels anywhere but also that no time exists.
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