I was asking some questions yesterday about relatiivity and it seemed that some folks in R&S don't 'believe' in it. And while much of it is complicated, the basic building blocks of it can be demonstrated by thought experiments (this is actually how Einstein did some of his early work).
Here's one example I posted last night (I've altered it just a little bit):
Imagine you are sitting in a train that is leaving town. Your seat is facing backward and you are looking back at the clock in the town square. Just as the clock hits 1:00:00, the train instantly accelerates to the speed of light. You continue watching the clock. What do you think happens?
It's a simple example, but it provides a glimpse as to why time is relative. Even though the clock continues to move, you only see it at 1:00:00:
If you slowed down just a fraction, the clock would move, but the rate of movement that you saw would be much slower than the rate of movement of somebody still and observing the clock.
2007-01-28
14:17:50
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17 answers
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asked by
mullah robertson
4