In the standard example, pair annihilation, [101b]
jbml thln
AN
OBSERVER DESCRIBES
TWO EVENT TRAJECTORIES
CONVERGING TO A SPACE-TIME POINT
AND THEN VANISHING IN A FLASH OF LIGHT ~
A NARRATIVE THAT CAN BE REINTERPRETED CHRONOLOGICALLY
AS THE OBSERVER'S PRIVATE VIEW OF AN OBJECT THAT PROCEEDS FIRST FORWARD
AND THEN BACKWARD THROUGH COORDINATE TIME.
WHILE MOVING BACKWARD THROUGH COORDINATE TIME (ACCORDING TO THIS OBSERVER)
THE OBJECT PRODUCES EVENTS THAT THE OBSERVER (RECORDING BY THE LABORATORY CLOCK) RECORDS
IN THE REVERSE ORDER OF THEIR PRODUCTION, SO THAT CHRONOLOGICALLY LATER EVENTS OF THE TRAJECTORY
APPEAR BEFORE THE CHRONOLOGICALLY EARLIER EVENTS.
PRESUMABLY, A SECOND OBSERVER CO-MOVING WITH THE OBJECT
WILL PERCEIVE THE OBJECTS IN THE FIRST OBSERVER'S LAB IN AN EQUALLY COMPLICATED WAY.
YOU
POSE A
FAR MORE DIFFICULT QUESTION,
AND A MATTER OF CURRENT INTEREST IN PHYSICS,
IN REGARD TO THE SEEMINGLY ARTIFICIAL
DISTINCTION BETWEEN THE OBSERVER
AND THE OBJECTS
OF EXPERIMENT.
Asih, man, 80 jaar
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