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How does a 'field' become observer dependent?
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How does a 'field' become observer dependent?
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yor_on
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Re: How does a 'field' become observer dependent?
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Reply #1260 on:
18/10/2014 16:34:39 »
There are combinations existing to a locally defined reality. One is connections, defining a 'commonly existing seamless universe' that we expect ourselves to exist in. The other is the few definitions not resting on frames of reference, of which accelerations is one. I use 'c' but 'c' is, strictly defined, something defined over those frames of reference. The other ting I expect I can define is that arrow, but that one is also a result from 'c'.
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Re: How does a 'field' become observer dependent?
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Reply #1261 on:
18/10/2014 16:36:34 »
So? do accelerations exist in 'one frame of reference' or not? If they don't, then everything I define is a result of frames of reference, and 'locality' as such is the focus from where you define the rest.
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Re: How does a 'field' become observer dependent?
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Reply #1262 on:
18/10/2014 16:38:19 »
that doesn't make 'locality' non existent. But I lose any simple anchor to define it from. What is that clock?
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Re: How does a 'field' become observer dependent?
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Reply #1263 on:
18/10/2014 16:43:09 »
I will now give a proof of sorts for 'c'.
imagine that you shrink that two way communication (two way mirror) defining 'c'.
Do you expect it to differ as you shrink your experiment?
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Re: How does a 'field' become observer dependent?
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Reply #1264 on:
18/10/2014 16:44:33 »
Now use this type of defining, on accelerations.
Does it disappear?
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Re: How does a 'field' become observer dependent?
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Reply #1265 on:
18/10/2014 16:48:28 »
Gravity should disappear though, will a acceleration?
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Re: How does a 'field' become observer dependent?
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Reply #1266 on:
18/10/2014 16:50:01 »
Hopefully, it's not too boring, but one never knows
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Re: How does a 'field' become observer dependent?
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Reply #1267 on:
18/10/2014 17:24:41 »
So what differ gravity from a acceleration here?
Well, when you define gravity as disappearing 'magnifying' some area, you use an idea of what is measurable locally. And there, assuming you magnify a geodesic enough, the locally bent area won't be noticed, as you don't notice that earth is a sphere, walking. Will that be the same for accelerations?
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Re: How does a 'field' become observer dependent?
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Reply #1268 on:
18/10/2014 17:49:32 »
What type of gravitational field are acting on you in a uniformly, constantly accelerating rocket, at one gravity? Is it local or do you expect it to exist outside the frame of reference joining you with the rocket? It's local, don't you agree? The far away observer, or 'near', will not notice it as 'gravity'. Use this on the gravity acting on you here. Is it so that the near observer won't notice it?
Here you get two choices, either you choose the equivalence principle, that one is strictly local. Or you argue from a container model in where the gravity found locally in that rocket differ from what you would expect the 'near' observer to define (Earth).
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Re: How does a 'field' become observer dependent?
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Reply #1269 on:
18/10/2014 17:51:09 »
so which one is right? Well, what do you think of repeatable experiments? And constants?
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Re: How does a 'field' become observer dependent?
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Reply #1270 on:
18/10/2014 18:31:42 »
And yes, I think you can define a vacuum without a 'intrinsic energy' as just a 'distance', locally measured.
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Re: How does a 'field' become observer dependent?
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Reply #1271 on:
18/10/2014 18:32:43 »
I would prefer not to use that one though, but I still think it must exist.
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Re: How does a 'field' become observer dependent?
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Reply #1272 on:
18/10/2014 18:33:45 »
It's the 'property' of a vacuum.
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Re: How does a 'field' become observer dependent?
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Reply #1273 on:
18/10/2014 18:35:01 »
The opposite proposition is that a vacuum doesn't exist.
It's a 'field'.
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Re: How does a 'field' become observer dependent?
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Reply #1274 on:
18/10/2014 18:39:30 »
That would then reduce this world to one thing, no opposites, no ideas of yin and yang, and what symmetries should be from such a proposition I don't know? What is a symmetry? What is a opposite? You will have to rewrite history for it.
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Re: How does a 'field' become observer dependent?
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Reply #1275 on:
18/10/2014 18:43:03 »
To do this, keeping symmetries and opposites in this universe, you need another way to look at light 'propagating'. Somewhat alike a field, but not as in a 'container model', but as a field lighted up from locality, and that one sound phreakingly mysterious
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Re: How does a 'field' become observer dependent?
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Reply #1276 on:
18/10/2014 18:45:27 »
You look out, and you see. Every observer does that. If we now define a observer as something able to interact, then the interaction consist of observing.
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Re: How does a 'field' become observer dependent?
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Reply #1277 on:
18/10/2014 18:47:36 »
It's action and reaction, in Newtonian terms, and also what normally is described as 'locality'. That something reacts, and the reaction spreads out, interacting with other observers.
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Re: How does a 'field' become observer dependent?
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Reply #1278 on:
18/10/2014 18:49:22 »
In my universe this must be what create dimensions. Give us our boundaries. but it has local properties.
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Re: How does a 'field' become observer dependent?
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Reply #1279 on:
18/10/2014 18:50:19 »
And those properties are also what I think of as the 'discreteness' we want to find.
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