First of all, everyone can understand that we live in a four-dimensional space. Let me briefly describe the four-dimensional space for the time being. We imagine that
the next dimension is a straight line,
two-dimensional, or a plane . The line connecting the points is time. This is the fourth dimension. In a four-dimensional world, time is irreversible, and our behavior is a straight line on the "time plane". My present and future are two points. But in fact, the point of "my present" is linked to many points, the time line bifurcates, and the time changes from "straight line" to "plane". This is the fifth dimension, and a point in a "time line" in the sixth dimension The "possibilities" that arise are interleaved; the lines of time are "folded" or "curled". This is the sixth dimension. (It is not an explanation of physics, this is my own understanding, welcome to make bricks, the dimensions after six have nothing to do with this film, nor will it be described) We look at this movie from the perspective of the fifth-dimensional world. The protagonist is actually just walking in a different direction from the "real time line" with Sean's consciousness. If there is a time number axis, our world is a straight line of the number axis as time goes on, and what this movie actually produces is that there are countless branches (so-called parallel worlds) at a certain point on this line, standing on The sixth dimension understands that because time can be curled, the characters in the "space points" on the two "timelines" can be interlaced. So the protagonist jumps in these parallel worlds, and brings back the "real world" from the memory fragments of the "source code world", so that the "front and rear" and "left and right" of time are linked. And those five-dimensional worlds will not disappear with the "death" of the protagonist, but will continue, because this is originally another "time line" in the "time plane".
In the end, goodwin cuts off the life of the protagonist, in fact, it eliminates the time-layered bond of the protagonist. From the five-dimensional point of view, the protagonist continues to move forward on another "line of time". And the goodwin who finally received the text message was not the goodwin on the original "time line".
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