Can you explain to me how time is regarded as the 4th dimension? Does it mean that if we assume time as a dimension then an object traveling to different time period is possible?
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I like to think of time as sort of a big worm. Or rather, each person’s/object’s path through time is a big worm. So if you could look at all of time from beginning to end, it would look like a crazy crisscrossing worm network. And each moment for us is just a cross section of that worm. So if you could scan forward or backward along it, you would theoretically be going to a specific place on that timeline/time-worm. It sounds better in my head. But instead of reality being a 2D cross section and time being 3D worm, reality is a 3D cross section and time is a 4D worm. Maybe one day someone will invent a machine that overlaps the worms and you could time travel. Who knows.
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