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Feb24-12, 03:59 PM   #12
 
That is an interesting way of thinking about it markosr; but this view has some serious flaws.

Quote by markosr View Post
Anyhow, my favourite intuitive explanation is that speed of light is in fact an infinite speed. You can see that is very much true if you are the one travelling at light speed, you can travel any distance in an infinite small amount of time. You can go to M33 (2 millions lys away) in a second of your time... if you live to tell about it due to very large accelerations involved. :)
The speed of light is very much a finite speed. That's how we can use lasers to measure distances (or times w/ a known distance); that's why gravity/electromagnetism doesn't respond instantly, and thus why waves are able to exist in both cases.

Additionally, while it is a tempting question, there is no valid reference frame traveling at the speed of light---thus you cannot ask what 'time durations' are for such an observer.