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Ibix
Science Advisor
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Your diagram seems to be denying it...erik giles said:I am not denying anything.
Your diagram seems to be denying it...erik giles said:I am not denying anything.
Ibix said:Your diagram seems to be denying it...
erik giles said:I am not denying anything. I am asking which target? Can anyone answer?
I know all these concepts and I know the concepts are correct.
The only incorrect thing here is the light clock thought experiment, which I have proven invalid. Can anyone prove it valid?
This experiment works, with matter, but not light.View attachment 215666
Actually, in a non-moving experiment, both targets.erik giles said:Target 1.
OK. Now will it hit or miss that target when the setup is moving?erik giles said:Target 1.
If you aim your emitter (laser pointer) at right angle in the emitter's frame, this light pulse will always have the same x - velocity as the emitter. In this case the target and the emitter are always at points of closest approach, or right opposite.erik giles said:Target 1.
Ibix said:OK. Now will it hit or miss that target when the setup is moving?
Note that any other answer than "it hits the same target" implies that I can detect whether or not the rig is moving without referring to anything outside it. That is, you imply the existence of absolute motion, and deny the principle of relativity.
erik giles said:the direction of light is not affected by the motion of the light source.
Bartolomeo said:If you aim your emitter (laser pointer) at right angle in the emitter's frame, this light pulse will always have the same x - velocity as the emitter. In this case the target and the emitter are always at points of closest approach, or right opposite.
If you wish to hit a target which was at point of closest approach at the moment of emission, you must aim your emitter (laser pointer) backward at relativistic aberration angle ##\sin \alpha = v/c##
This video in the youtube shows path of light pulse in different frames.
We've answered this already. Actually, according to your green observer, the pulse hits nothing at T+15 - it's still in flight (towards target 1). According to an observer on the rig it hits target 1 at that time (they have different notions of what "fifteen seconds later" means).erik giles said:If target one moves perpendicular to the source beginning at T-0 at 0.87C, while target two remains stationary, and both targets are 15 light seconds from the emitter at T-0, what target does it hit at T+15 seconds?
I've no idea why you think that. The light strikes target 1 and only target 1. I think you need to read up on relativistic aberration, since that explains why target 1 is hit from the perspective of your green observer.erik giles said:Any answer other than target two implies that we have violated the principle of matter occupying more than one place at the same time.
Since what you are describing is inconsistent with relativity, you may wish to review the rules on personal theories before doing so.erik giles said:I am going to write a paper on this and ask you all to peer review it if you don't mind.
Those two sentences contradict one another.erik giles said:My point is, the light clock thought experiment is invalid. Relativity is valid.
erik giles said:I am going to write a paper on this and ask you all to peer review it if you don't mind.
erik giles said:My point is, the light clock thought experiment is invalid. Relativity is valid.