To be honest, maybe after everyone started to travel, the second season as a whole lost the mystery of the first season. It is estimated that everyone in the town is relatives... Of course, there are many wonderful clips! ! ! The past is the future, and the future creates the past, so I have to admire the screenwriter, who has dug more holes every season (how can it be filled in the end?!) and Martha from another world at the end of the second season. It's about to become a cosmic melee...
In fact, the concept of multiverse should only exist in theory, that is, the decisions you make now or in the past can open up different "storylines" to a certain extent. A multiverse can also represent a probabilistic event where the worlds are parallel to each other and never intersect. You are you, but not quite you! So Martha 2 says she is not Martha. So is this understandable that all the characters in the play have the No. 2 machine (too scary... I'm afraid I need to watch it all over again when the third season comes out)
Personally, I feel that the multiverse or time travel is interesting, and their interesting point lies in the infinite possibilities that they have as a theory that cannot be proved or disproved! The logic is as simple as this. For example, there are 1000 wooden boxes in front of you. You are told that one of the boxes contains bananas, but you can't be sure if this sentence is true until you open the last box. Even if you've already opened 999 chests! (For related logic puzzles, please refer to the book "The Labyrinth of Reasoning", which is very interesting)
But in terms of quantum mechanics, it is not feasible for the human body to travel through time and space frequently, because the human body needs to be disassembled into microscopic particles to propagate at a speed exceeding the speed of light, and then reorganized at the destination. So after the transmigration, is the you after the reorganization still "you"? Furthermore, the speed of light is the absolute speed in the current universe, and I think it can even be understood as "the truth of the universe". The established rule of this universe is that nothing travels faster than the speed of light. And the theory of time travel must exceed the speed of light. Then it is conceivable that all physical principles should be broken... So I am more in favor of the concept of time being "relative" than time travel. Not only the perception of the speed of time flow actually exists in individual differences (see the twin astronaut theory for details)
Why do you say that this show is atheism in a sci-fi coat, because the people in the show ignore the rules of the universe and break the balance of time. As mentioned earlier, time is the truth of the universe and the default of this world set by God. The theory advocated by the screenwriter completely denies the linearity of time from the perspective of infinite loop. The beginning can be the end, and the end can be the beginning of everything. I suddenly think of the Big Bang. If the singularity is a concept with infinite density and infinitely small volume before the explosion, and the current material universe is the product of its energy explosion, then where is the "starting point" of the singularity? You know, the universe is still expanding, and all the galaxies are moving away from us. In simple terms, it can be understood like this, you have a balloon in your hand, you draw a point on it, and then you blow air to inflate the balloon, then this point will gradually move away from the concept centered on you; even if this point The position on the balloon did not move at all. Further, if the collapse of a star is the implosion of the inner core, the density in the middle is large enough to be compressed into a small enough volume to form an event horizon - a black hole. So from this point of view, if the current material universe also stops expanding and "dies" one day (understood that the released energy wave is still spreading since the Big Bang, and its internal evolution has formed all life), then stop the expansion Will the end of the future also collapse, and finally form a singularity, and then explode again at some point in the future... So history repeats itself, and everything is just a cycle (which just echoes the concept advocated by this show, time is nothing but a Cycle, there is no absolute starting point for everything!)
The more I think about it, the more terrifying it is, it's really exciting. I hope that the screenwriter of the third season can grasp the proportions and don't dig this hole deeper and deeper, otherwise it's really a pity.
Time really doesn't take the blame, it's all the fault of human's endless desire! He has ruled over all living beings in the world, and now he has to rule the time.
PS The above is just a record and bold guess of some of my amateur thoughts!
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