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You can measure the quantum state of an entangled particle, which then instantly determines the quantum state of the particle it's entangle with, regardless of how far away it is, but as soon as you make that measurement, the entanglement goes away and, since there's no way for you to know the...

I don't think that entangled particles do what people think they do. I'm no expert but I'm reasonably certain that there is no way to transfer information faster than the speed of light, even with quantum entangled particles.

Since the cameras are acting as clocks where each frame is counted as a "tick" of the clock, I wonder whether the same problem that exists for synchronizing clocks in other experiments would apply to the synchronizing of the cameras in my experiment? 🤔

The problem is that if you want to measure the one way speed of light you have to have synchronized clocks but in order to synchronize your clocks you have to know the one way speed of light, which is what you're trying to measure. Why No One Has Measured the Speed of Light

Yes, I was aware that their result wasn't zero but it is also true that their non-zero result was within the margin of error and nowhere near where it would have been expected to be if the stationary eather that they were looking for existed. Their experiment didn't actually prove that there was...

When is the best time to call?

Moments after posting the above post, it struck me how my thinking there is wrong! The Michelson–Morley experiment measured the two-way speed of light in perpendicular directions! This will always be the case when you try to do this with one final target and where every leg of the trip is the...

Okay, so I just realized that what I've described in the opening post is a modified version of the Michelson–Morley experiment which compared the speed of light in perpendicular directions and found no significant difference between the speed of light in either direction. The significant...

I had the math wrong when I first wrote the opening post. It didn't not alter the overall point but I have fixed it.

Ad nauseam!? I don't think so! I have attended church my entire life. I used to watch "Christian" television on virtually a daily basis and have intentionally studied the various doctrines that differ from one Christian church to another. In short, in one way or another, I've been exposed to...

I just posted one.... Real Science Radio: One Way Speed of Light Measurement Proposal

Real Science Radio: One Way Speed of Light Measurement Proposal In this thread I want to discuss the measurement of the one way speed of light, which virtually all physicists will tell you cannot be done. It would probably be a good idea for you to watch the Veritasium YouTube video on the...

@Right Divider, Is there a thread that discusses that episode of RSR?

I wasn't unaware of it at all. I don't buy it but I also don't know of any Christians who believe it and so I tend to discount the whole notion as being, at best, a red herring. It's usually thrown out what amount to a poisoning the well fallacy, implication both that the belief is common among...

So, the more I think about Bob's proposed experiment, the more I think it does sneak in the two-way speed of light. :( The mirror that they have at one end of the bottle isn't the only mirror in the experiment. In fact, every particle of milk in the slightly milky water is a mirror and every...

I just listened to that episode. I can see no reason why their proposed experiment would fail to measure the one way speed of light. (My inability to see a reason, doesn't mean there isn't one.) So my question from my previous post stands on this point. How would your rotating laser experiment...

How? Explain it to me again. My bet is that any such rotating laser experiment uses at least one clock. Also, if you can find a link to that RSR episode, please post it. I'd like to listen to it. (Never mind! I just found it!)

Doesn't seem relevant. And I am responding in kind. If you use a single clock, you cannot measure the one way speed of light. It will always be the round trip speed of light. If you use two clocks then those clocks have to be synchronized in order to measure the one way speed of light but you...

Who's being defensive? Do you like it when you have to repeat yourself over and over again? Do you like it when most of the substance of your posts go ignored? Do you like it when direct questions go unanswered? Do you like it when you get asked questions that could not be asked if the subject...

Tachometers are clocks. Do you understand what a clock is? Of course not.