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some explaination from Back To The Future:
the dog has a stop watch that is in sync with the doctors. the dog is sent exactly one minute into the future. one minute later the doctor sees the car with the dog in it. The watch on the dog is exactly one minute behind the doctors. from the perspective of the DOG the travel was INSTANTANEOUS. for the doctor it took a minute for the dog to get there.
yes u are right it is from a movie but thats how we understand this. it's that you SKIP over that time (going through the space/time continum).
relativity and such is very complex and most people cant or dont want to understand such complex things.
how i understand it is that the 4th dimension is the space/time relationship (whatever u wanna call it).
the 4th dimension CONNECTS two of the other three dimensions WITHOUT intersecting the third dimension.
time is directly connected to space by something we cant see or really understand yet but as far as I understand, thats how it is.
-= if you wanna understand more keep reading =-
now to understand this more, if any of you want to, check out "Klein's Bottle" this is a 4D shape/figure that can be rendered in 3D (not completely but effectively) to help explain and visualize the 4D relationship.
something simple: you walk through a giant tube and you end up standing exactly where u started but on top of the tube.
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