Recent content by ewoodlief
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Time Travel - Possibility and Speculation
It's about time someone explained it; keep up the good work.- ewoodlief
- Post #75
- Forum: Special and General Relativity
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Time Travel - Possibility and Speculation
It need not be only acceleration because gravitational propagation is finite, and so even when an object travels at constant velocity it is running into more of its own propagating gravity towards the direction of motion than in the direction away. It would seem that the rate of time (or change)...- ewoodlief
- Post #73
- Forum: Special and General Relativity
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Time Travel - Possibility and Speculation
The model for spacetime is not mine alone; it is the model generally accepted by contemporary physicists. In the model, t does not stand for time--unfortunately, that is what most people get confused about and where they go wrong--it stands for the rate of time (or change) observed in a system...- ewoodlief
- Post #71
- Forum: Special and General Relativity
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Time Travel - Possibility and Speculation
There seems to be a misunderstanding of the fourth dimension that many people suffer from. Obviously, the three spatial dimensions are a result of matter and energy being in a certain place. But most people tend to think that just as one can travel the first three dimensions, they can also move...- ewoodlief
- Post #69
- Forum: Special and General Relativity
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Time Travel - Possibility and Speculation
Backward time travel is virtually impossible even if one were to "step out" of the universe. That is because even if one is outside of the universe, changes still occur on the inside. By realizing that time is not a dimension, one can begin to see why a time line is merely an accumulated...- ewoodlief
- Post #68
- Forum: Special and General Relativity
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Time Travel - Possibility and Speculation
Contemporary proponents of time travel make the erroneous assumption if B occurs after A then B is caused by A; or more specifically, time is caused by velocity/motion. I will elaborate: as the velocity of an object increases, time decreases to the point which when velocity becomes c time...- ewoodlief
- Post #66
- Forum: Special and General Relativity
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Graduate Is FTL Travel Possible with a Mini Cooper in an Alternate Space Network?
And your calculations are most likely correct. Light, and everything else, is governed by gravity because it is unable to overcome its own propagating gravity wave front. So mathematically, light should be slightly slower (even if infinitesimally) than the speed of gravity, but for the purposes...- ewoodlief
- Post #30
- Forum: Special and General Relativity
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Graduate Is Energy Equivalent to Time?
Actually, Michael is correct in his understanding of the movement of massive objects as they travel through time. He has just restated one of the principles of Einstein's theory of relativity. And one of the underlying implications to his theory is that energy and time are equivalent, at least...- ewoodlief
- Post #13
- Forum: Thermodynamics
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Graduate Is FTL Travel Possible with a Mini Cooper in an Alternate Space Network?
Keen observation! And that is exactly what some have done with appending relativity theories.- ewoodlief
- Post #23
- Forum: Special and General Relativity
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Is Our Reality Just a Simulation in The Matrix?
Gravitational influence is calculated from mass and distance. Distance is discrete only if space (the realm in which we measure distance) is discrete. In your above reasoning, you wrote "... move from one discrete unit to another" which is in direct conflict with "infinite forces". So if...- ewoodlief
- Post #27
- Forum: Science Fiction and Fantasy Media
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Is Our Reality Just a Simulation in The Matrix?
Technically, a "digital" world would have precision errors if you classify a precision error as a situation where some quantity required more precise specificity. However, if reality were discrete and the precision of such a digital world were matched to that of reality, then any precision...- ewoodlief
- Post #23
- Forum: Science Fiction and Fantasy Media
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Graduate What is the force propelling us through time?
"Force" was meant not only in the sense of a fundamental force, but to frame the answer in a similar form to which the question was asked.- ewoodlief
- Post #9
- Forum: Special and General Relativity
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Graduate What is the force propelling us through time?
Yes! That is a great way to look at it.- ewoodlief
- Post #8
- Forum: Special and General Relativity
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Graduate Is FTL Travel Possible with a Mini Cooper in an Alternate Space Network?
I seem to remember yet another example of how theoretical mathematics can vary from its applied counterpart. It was once mathematically reasoned that a particle could achieve faster than light travel only if it initially started out at such speeds--disregarding the "how". Upon slowing down, the...- ewoodlief
- Post #21
- Forum: Special and General Relativity
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Graduate Is FTL Travel Possible with a Mini Cooper in an Alternate Space Network?
True, I was merely adding to the discussion as to another repercussion of said travel--should one figure out how to achieve such an improbability.- ewoodlief
- Post #20
- Forum: Special and General Relativity