4 ms·

Because of relativity. The speed of light is also the speed of causality. Assuming the theory of relativity isn't totally wrong, then if faster-than-light commu

• rightbyte 4y ago
  Why would information of an event, e.g. light bulb lit up by pushing breaker, decide the causality? Can't you just back track from a model that the breaker is closed then the bulb lits up?
  • moomin 4y ago
    The bulb lights up _after_ you close the breaker.