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itishappy
1 day ago
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Time is a dimension, but not like space
I've heard this described as "we all move at the speed of light." Also, since another way to describe alignment of two vectors is an angle, motion can be characterized by the angle it makes with the time axis.
https://www.youtube.com/watch?v=au0QJYISe4c
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https://www.youtube.com/watch?v=au0QJYISe4c