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posted on Dec, 21 2013 @ 01:56 AM

Hellas

So according to this 'paradox', both versions are right. But what if you would have a person right in front of the train, let's say the driver. When he comes out of the tunnel, he should be able to see the trainspotter, when for the trainspotter the train is still in the tunnel, thus he can't be seen by the driver.

Which is kind of odd...

Incorrect. When he is out of the tunnel, he is out, he will see the spotter and the spotter will see him.

The difference is that the spotter will think the BACK of the train is in the tunnel, and the conductor will think the back of the train has not entered the tunnel yet.

posted on Feb, 4 2014 @ 08:08 PM

Arbitrageur

The space time diagrams show there is one reality, so that much is true, but they also show how that reality is perceived differently by different observers. The space-time diagrams are how physicists make sense out of the relativity of simultaneity (this issue).

Here is the same reality as seen by three different observers, which shows the three observers see three different things:

Relativity of simultaneity

Events A, B, and C occur in different order depending on the motion of the observer. The white line represents a plane of simultaneity being moved from the past to the future.

So is the reality sequence A, B, C, or sequence C, B, A, or did all three happen simultaneously? The single reality is that all three are mathematically equivalent in relativity so it's a single reality, just seen differently by different observers.

edit on 18-12-2013 by Arbitrageur because: clarification

This is actually a beautiful example of perspective and how it can kind of layer contrasting realities into one cohesive environment. The reality of the measurement requires or hinges on a limited static perspective...otherwise the values or measurements fluctuate between the three different perspectives and associated values measured. Paradoxes aren't inherently wrong they are kind of like illusions.

The overtones in my thread were more psychological but have physical illustrations as well.

I really like this illustration though!

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