For example, the wormhole in science fiction shows. The basic principle is to divide the human body into the smallest particles, and then reorganize them in the distance. Is the reorganized person the original person himself?
If it is possible to replicate a person at the elementary particle level, is there any difference between the replicated A/B/C/D... and the body? Who am I?
In fact, the real answer is: everyone is not me. Even without considering the science fiction factor, the me who woke up today is not the me who I was yesterday.
The original me has stayed at the original time node. The re-created person has my memory, but he cannot go back to the time in the past and feel my past feelings at that moment. Similarly, the past I can only look forward to the future. You cannot travel to the future to have the self-feeling of the future moments.
The concept of "I" has a strong temporality, and every "I" is imprisoned in the smallest unit of time, such as the Planckian level.
What was the "me" of yesterday? It is a memory, a string of electrical signals left over, just like the remains of a star explosion. You can watch it, read it, and even sense it, but you will never be able to restore the time-space structure at that time and the time-space structure at that time. I". Reading the past is like reading a novel and being fascinated by the protagonist. It can arouse the resonance of some electrical signals. From this perspective, there is no essential difference between copying a person and copying a book, and copying an operating system on a hard disk. Even more indistinguishable. It was just the sum of a bunch of materials in the past. There was no "consciousness" and no "soul". Even at that moment in the past, he had a "soul", but his "soul" stayed at that moment in the past.
Another example is that ant living in a two-dimensional world. If we tie a rope to it and let it move in a direction perpendicular to its plane world, then on every trajectory, the plane world it sees is A world it has never set foot in. Then, in the human three-dimensional world, the passage of time is equivalent to taking us to a brand new world every moment. Isn't this just a logical conclusion to the "parallel universe"?
Thinking of the ending of "2001: A Space Odyssey", the protagonist broke through the shackles of time. He felt the past and future of himself, which should mean that the locked dimension of time was opened, just like an ant in a two-dimensional world suddenly found himself The world is three-dimensional, and it can traverse every two-dimensional world at will. Then, the expansion of the human existence dimension should mean that you can freely shuttle between the parallel universes divided by time, just like the "Butterfly Effect" in and out of the past time and space, the second law of thermodynamics is shattered, and the universe is strange. Click on the heat death, just like the video on the computer, you can drag the timeline at will.
However, our time still seems to have a beginning and an end. The singularity is the beginning of time. Our time and space are still surrounded by the horizon. The horizon of the universe is the horizon of the black hole.
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