Gravitational Time Dilation: Effect Without Cause

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Offline Pentcho Valev

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Chapter 14 ( ):
David Morin: "The equivalence principle has a striking consequence concerning the behavior of clocks in a gravitational field. It implies that higher clocks run faster than lower clocks. If you put a watch on top of a tower, and then stand on the ground, you will see the watch on the tower tick faster than an identical watch on your wrist. When you take the watch down and compare it to the one on your wrist, it will show more time elapsed."

Einstein said in 1911 that the effect would take place even in a HOMOGENEOUS gravitational field. This means that the two clocks are in EXACTLY THE SAME immediate environment (experience EXACTLY THE SAME gravitational field) and yet one of them runs faster than the other. Clearly such an effect without any cause is absurd so Einsteinians sometimes hint at the REAL effect: As light travels upward in the earth's gravitational field, it loses SPEED:
Stephen Hawking: "Another prediction of general relativity is that time should appear to slower near a massive body like the earth. This is because there is a relation between the energy of light and its frequency (that is, the number of waves of light per second): the greater the energy, the higher frequency. As light travels upward in the earth's gravitational field, it loses energy, and so its frequency goes down. (This means that the length of time between one wave crest and the next goes up.) To someone high up, it would appear that everything down below was making longer to happen. This prediction was tested in 1962, using a pair of very accurate clocks mounted at the top and bottom of a water tower. The clock at the bottom, which was nearer the earth, was found to run slower, in exact agreement with general relativity."

The cleverest Einsteinians, "the subtlest practitioners of doublethink", can be quite straightforward: no "CHANGES IN THE INTRINSIC RATES OF CLOCKS"; rather, one should pay attention to "WHAT BEFALLS LIGHT SIGNALS AS THEY TRAVERSE SPACE AND TIME IN THE PRESENCE OF GRAVITATION":
Banesh Hoffmann: "In an accelerated sky laboratory, and therefore also in the corresponding earth laboratory, the frequence of arrival of light pulses is lower than the ticking rate of the upper clocks EVEN THOUGH ALL THE CLOCKS GO AT THE SAME RATE. (...) As a result the experimenter at the ceiling of the sky laboratory will see with his own eyes that the floor clock is going at a slower rate than the ceiling clock - EVEN THOUGH, AS I HAVE STRESSED, BOTH ARE GOING AT THE SAME RATE. (...) THE GRAVITATIONAL RED SHIFT DOES NOT ARISE FROM CHANGES IN THE INTRINSIC RATES OF CLOCKS. It arises from WHAT BEFALLS LIGHT SIGNALS AS THEY TRAVERSE SPACE AND TIME IN THE PRESENCE OF GRAVITATION."
George Orwell: "Doublethink means the power of holding two contradictory beliefs in one's mind simultaneously, and accepting both of them. The Party intellectual knows in which direction his memories must be altered; he therefore knows that he is playing tricks with reality; but by the exercise of doublethink he also satisfies himself that reality is not violated. The process has to be conscious, or it would not be carried out with sufficient precision, but it also has to be unconscious, or it would bring with it a feeling of falsity and hence of guilt. Doublethink lies at the very heart of Ingsoc, since the essential act of the Party is to use conscious deception while retaining the firmness of purpose that goes with complete honesty. To tell deliberate lies while genuinely believing in them, to forget any fact that has become inconvenient, and then, when it becomes necessary again, to draw it back from oblivion for just so long as it is needed, to deny the existence of objective reality and all the while to take account of the reality which one denies - all this is indispensably necessary. Even in using the word doublethink it is necessary to exercise doublethink. For by using the word one admits that one is tampering with reality; by a fresh act of doublethink one erases this knowledge ; and so on indefinitely, with the lie always one leap ahead of the truth. (...) It need hardly be said that the subtlest practitioners of doublethink are those who invented doublethink and know that it is a vast system of mental cheating. In our society, those who have the best knowledge of what is happening are also those who are furthest from seeing the world as it is. In general, the greater the understanding, the greater the delusion ; the more intelligent, the less sane."

Pentcho Valev


Offline imatfaal

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Gravitational Time Dilation: Effect Without Cause
« Reply #1 on: 08/08/2011 11:21:15 »

There is a specific rule that forbids posting in multiple fora.  I have locked this thread.
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