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?
In: 1302
Okay so picture the future as being down, the past being up. But you are a 2 dimensional being so up and down are not directions you can perceive, you can only perceive the cross section of that up and down axis that intersects with you. Now imagine falling as that 2 dimensional being, and as you are falling, completely oblivious that it is even happening at all, you pass a balloon. From the perspective of the 2D being a dot would appear, grow into a ring, expand, shrink back into a dot and phase out of existence over time.
In much the same way as that 2d being was moving through the 3rd dimension, and so experiencing something changing over time from it’s perspective, we are moving/falling through the 4th dimension. Instead of falling from up to down, we are falling from past to future and things appear, grow, shrink, and eventually seem to disappear in the same way as that balloon seemed to vanish for the 2D being even though it was still there just outside of it’s perception.
Could we travel through time? We already are. Could we control the rate and direction we are moving through time? Maybe, but it will be extremely difficult to get our bearings. For instance point in the direction of the past right now. See my point?
I hope this explained things this is a really difficult concept to simplify
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