i could neverunderstand why they say time slows down when you travle close to speed of light. my point is if you take 2 clocks and 1 travels fast its time are slower when they stop. what that tells me is the clock going at speed of light took longer to do the same action as the other... time did not slow down the action was slower.... example if you drop a apple and at the same time exselirate to speed of light the apple will apear to hang in the air untill you return to normal speed and then hit the floor. i dont know what cause this or if its just gravity like when you get pushed into your seat when excilerating very fast but on a mutch biger scale. but its defenitly not time slowing down and if ther math say you would need infinet power to excilerate that fast why does light not need infinte power? i switch on a lazer pointer and the light tavels instantly at the speed of light that from a 9volt battery....
You are misunderstanding time dilation.
Time dilation, within the theory of special relativity, is the “slowing down” of a clock as determined by an observer who is in relative motion with respect to that clock. In special relativity, an observer in inertial (i.e., nonaccelerating) motion has a well-defined means of determining which events occur simultaneously with a given event.
A second inertial observer, who is in relative motion with respect to the first, however, will disagree with the first observer regarding which events are simultaneous with that given event. (Neither observer is wrong in this determination; rather, their disagreement merely reflects the fact that simultaneity is an observer-dependent notion in special relativity.)
A notion of simultaneity is required in order to make a comparison of the rates of clocks carried by the two observers. If the first observer’s notion of simultaneity is used, it is found that the second observer’s clock runs slower than the first observer’s by a factor of Square root of √(1 −
v2/
c2),
where
v is the relative velocity of the observers and
c equals 299,792 km (186,282 miles) per second—i.e., the speed of light.
Similarly, using the second observer’s notion of simultaneity, it is found that the first observer’s clock runs slower by the same factor. Thus, each inertial observer determines that all clocks in motion relative to that observer run slower than that observer’s own clock.
In simple terms.
You see, like the speed of light, time is relative to the observer. If you are on a spaceship travelling at 99%
c then you will see YOUR clock operate normally, but the clock on a space ship traveling at 10%
c would be operating slower than your clock from your perspective, thus the observer on that spaceship would see their clock operate normally, and your clock operate slower.
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