I tend to think of it this way: acceleration doesn't affect our universe but rather reveals it.
That c in a vacuum is the same in all reference frames doesn't "cause" anything to happen, but rather reveals to us why things happen, or how maybe.
Acceleration and light don't distort time...
Yeah, see the video does leave a lot out, doesn't it. Which makes sense, as it's meant to maybe peak the interest in science of folks in general, rather than take them through a specific example like this or provide diagrams like DrGreg's to show exactly what's going on, etc. Thanks...
Right, because as I understand it, it's because when you apply the Lorentz factor ("with reference to SR") to things like F=ma, you actually get F = \gamma ma. Which is:
F= \frac{ma}{\sqrt{1-\frac{v^2}{c^2}}}.
As you can see, when velocity increases, the amount of force required to...
Right! Thanks for the great link. Net GAIN of 38640ns. I was trying to give a real world example of how time dilation is "real" vs "observed" per OP's original question, but I may just have confused matters by including another layer of complication by bringing GR into it.
I've only...
If I get you correctly, I need to work on my terminology, and I don't disagree. I am consciously working to better this as I move forward.
I wonder if maybe a more real-world example would help...
I think of a GPS satellite, up in space. The engineers building it on Earth must purposely...
After reading everything and watching the video a few more times, I think I see the problem with this otherwise good video.
At 1:15 he applies a boundry condition of equal positively and equal negatively charged particles, sitting there at rest relative to the man. Then suddenly, and perhaps...
I don't immediately get why the separation of the negatively charged particles doesn't contract from the man's reference frame, as they are moving relative to him, and therefore there would be a negative overall charge.
Say there's no time dilation. Then observer B would need to see light travel faster than c,as it would travel a longer distance but take just as long as it does for observer A, which was also pointed out in #80.
This violates the 2nd postulate of SR. The dilation occurs because c is the same...
Right! My mistake... sorry about that. And if i got it right, the reason for the slowing of time is because from light's reference frame, it can't take two different times to get somewhere at the same time.
Because you are the one who accelerated. Your dead friends were not accelerated to a v close to c, but you were. Even though it looked like they were from your point of view, the only one who was actually accelerated was you.
Therefore, you don't age more quickly, they do.
Whoa... there I went, and saw I did. Binary stars!
They rotate around each other at constant speed as seen from very far away. If c was not the same in all reference frames, we would see changes in velocity as the stars approached and receded away from us.
de Sitter's double star...