I am not majoring in theoretical physics. I use the poor old base I have to interpret the settings of Stone Gate (anime) in detail. I believe that everyone who has watched the anime carefully can understand it. If you only interpret it from the perspective of setting rather than theoretical feasibility, you will find that the logic of this work is still self-consistent, and can even be said to be extremely rigorous. 1 A single world may make many people wonder, if the universe is a coexistence of multiple world lines, then no matter how the brooch crosses the world line, isn't it just saving yourself? Isn't it true that people on the world line still die? In fact, the brooch does not cross the world line, but changes the world line. In other words, the world of Stone Gate is like a train, and the countless world lines are like countless tracks. A track will branch into multiple tracks at a certain node, and the multiple tracks will converge into a single track at a certain node, but there is only one train. Every time the protagonist changes the world line, he just goes back to the past and changes the "train" It's just the route of travel, there is no other parallel universe. 2 Time Machine The first generation of time machines is a telephone microwave oven. According to the setting, it seems that the telephone microwave oven is a machine that generates a Kerr black hole, and the Kerr black hole connects different times. All the space inside the microwave oven is the Kerr black hole. The telephone microwave oven can transmit all the matter in the box to the past through the black hole, and the amount of matter passing through is limited. If the amount of matter exceeds this amount, the matter will change the molecules when passing through the black hole. structure. To put it simply, the hole is very small. If something can't get in, it can only be chopped and put in... Therefore, the essence of sending d-mail from the telephone and microwave oven to the mobile phone in the past should be to send the electromagnetic waves in the box to the past. . However, there are also restrictions on the bytes of SMS messages that pass through the black hole (I don't understand the connection between electromagnetic waves and bytes). The sender must edit a sentence with complete meaning in the limited number of words. , so that the recipient cannot understand the text message, and may not be able to act differently. This is why the experimental text messages sent by the assistant were broken down into three pieces, and the bananas in the microwave oven were sent back to the past and changed their molecular structure to become plastic bananas. The second-generation time machine has been improved by assistants, and with the help of the power of the large hadron collider of sern, which has been invaded by the barrel (honey juice power), the information stored in the human brain can be compressed into bytes that can pass through the black hole (electromagnetic waves). Modem?), dialing to the past through the phone, the receiver will get the compressed memory in some way (I don't know how to decompress it), in short, the second-generation time machine is to put the person who uses the machine in the present consciousness into the past body. Every time the brooch is jumped, he always holds the mobile phone as if to answer the phone, because the memory information is conveyed by telephone. This second-generation time machine ensures that sufficient information is transmitted to the past in order to guide the brooch to save Dudulu again and again. (But... the setting of the second-generation time machine is really buggy!!! According to this principle, it is also possible to import memory information into different people's bodies through the phone, such as sending the memory of the brooch to the assistant through the phone... ...if that's the case...human beings can finally stop learning!! Just compress everyone's memory and share with each other to inherit knowledge!!! The day when human beings become a community is coming!!!) The third generation time machine is In the future, according to the theory of the assistant, developed by the bucket with the help of artificial intelligence amadeus, it can send the person who rides the time machine to the past together with the time machine (I don't know how to operate it... How to solve the quality and energy? How does gravity change?). The third generation time machine is for the world line, just As if a higher dimension exists. For example, in a two-dimensional world, a pen draws a line on paper, and the line will never break; a time machine goes beyond the two-dimensional limit, which is equivalent to lifting the pen in space, dropping it at another point, and then repeating it again. Continue to draw lines. Two-dimensional creatures will never understand how a pen jumps from one point to another in the third dimension, and we will never know how a time machine jumps from one point in time to another. The time machine and its occupants are not bound by time when moving in higher dimensions, which is equivalent to not being bound by the law of causality. That is to say, no matter how the world line changes, as long as the person who boarded the time machine will not disappear or lose their memory; at the same time, once boarded the time machine, the occupant will also disappear from the world until he lands. , like the lifted pen disappears from the paper. 3 The Law of Change of World Line Every time a d-mail is sent to the past, it will change the behavior of the person who receives the text message, and the world line will also change, but some d-mails have negligible effects on the results after a period of time. Sending a blank text message to the past, for example, might turn your "sleep all day in a bed in a closed room" into a reality where you "look at your phone at five and sleep the rest of the time." Aside from the changes in the airflow in the room and the changes in the substances you metabolize, maybe there is not much difference between the two world lines, the impact of your actions is negligible, and as a result, your actions do not cause life and death changes in people, biological systems If there are major changes such as changes and changes in the natural cycle, then the two world lines are considered to be convergent, and the law of change of the world lines is <1. On the contrary, >1 (seems like? I can't remember and I'm too lazy to turn it over. As for why the machine can calculate the law of change... the author doesn't know). So not every act of going back in time can have a big impact on the world line. Based on this setting, the author was able to let Dudulu die in various ways (although it is a bit exaggerated...the world line should change a lot with such a big difference in behavior), after all, it is also to fully achieve the bitter plan. The effect is to enhance the sensory experience of the audience. 4 The ability of the brooch The unique ability of the brooch to retain memory after jumping is called reading-steiner. What is the nature of this ability? According to the description of the anime, after ordinary people use the d-mail jumper, the memory of the original world line will no longer exist, and will be replaced with the memory of the new world line, which is very understandable, because the original world line itself does not exist. The capabilities of the brooch are: After jumping the line, only the memory of the world line that was originally passed through is remembered. In other words, the brooch remembers the memory of worldlines that don't exist. So the question is, the world line no longer exists, why does the memory of the brooch exist? In fact, this world line exists in higher dimensions, but ordinary people in four-dimensional time and space cannot observe this world line. What ordinary people can observe is only the projection of this world line, that is, the changed world line. This is the power of the brooch. Based on the above principles, if a normal person uses the second-generation time machine to go back to the moment when the world line was changed in the past, the memory of the original world line will also disappear, because the original world line itself does not exist. But after the brooch uses the second-generation time machine to travel back in time, the memory of the original world line still exists. After the invention of the third generation time machine, everyone can go back to the past and change the world line. After an ordinary person uses a time machine to go back to the past, if he is only in the state of an absolute bystander without interfering with the world line, that is, he no longer participates in the cause and effect of the world, then he can always exist; once it changes the world line, it must disappear, Otherwise a paradox will arise. But after the brooch takes the time machine back to the past, whether or not the world line is changed, it will not disappear with the time machine. Because the brooch is high-dimensional, the world line experienced by the brooch is real for the brooch. To sum up, the ability of the brooch is actually similar to the ability of the third-generation time machine, both of which are the ability to move in higher dimensions. . 5 How exactly did the brooch save the assistant? (The default way to travel through time below is to take the third-generation time machine.) Based on the above theory, ordinary people will disappear with the time machine after they return to the past in the time machine and change the world line; but the brooch takes the time machine to return to the past. Changed the world line, but the brooch will not disappear with the time machine. Then there are two brooches, a New World thread brooch and an Old World thread brooch. Let's draw a time axis, assuming that the brooch goes back to the previous time x from the time y of line A to change the world line, the world line becomes B, and then the brooch returns to the time y of line B, and the brooch at this time remains. is the memory between (x, y) on the A line but not the memory between (x, y) on the B line. But there is a time axis between (x, y) on the B line, that is to say, in theory, after the brooch returns to the y point, there must be another one with the B line (x, y). y) A brooch of memory. Both brooches actually exist, and they are logically expressed in a sequential relationship. First, the A brooch goes back to change the world line before the B brooch is produced; the time shows an overlapping relationship, and the A brooch and the B brooch coexist on (y, +∞). If this is the reality, every time the brooch changes the world line, there will be an extra brooch in the world, then the brooch can be changed out of thin air by changing the world line. This is completely incredible. In fact, in a world line, there is one and only one brooch; once two brooches are created, one of the two brooches must disappear. If the A brooch is to disappear, then the A brooch has to board the time machine and leave the world line like ordinary people; if the B brooch disappears, then the B brooch and the A brooch must be assimilated into one, which can be understood as they are exactly the same, The A brooch covers the B brooch. But the memory difference of the AB brooch on (x, y) cannot be covered, which creates a paradox. In order to avoid the paradox, we can only make the memory of B brooch and A brooch identical in (x, y). That is to say, after the A brooch changes the world line to the B line, the B brooch has to experience the same (x, y) as the A brooch, and finally crosses from the y point of the B line back to the x point, changing the world line to the C line; The C brooch has to experience the same (x, y) as the A brooch, and finally crosses from the y point of the C line back to the x point, changing the world line to the D line... When the memory of countless brooches on the world line is expressed as When the same (x, y) is the same, A brooch can cover B brooch, B brooch can cover C brooch, C brooch can cover D brooch... Countless world lines cover each other, and finally the A line becomes the B line at the same time. Paradoxes are also avoided. (Note: the ABCD world line is not a time sequence, but a logical sequence; the "covering" statement is just for ease of understanding, and there is no parallel universe.) However, if the memory of all brooches is to be the same , it is necessary to make all the world lines of ABCD the same, then it will fall into an infinite loop, and the world line will not change? Actually not so. When the A brooch jumped from the y point of the A line back to the x point and artificially changed the world line, the world line on (x, +∞) has been changed to the B world line, and every jumping line after that is only for the purpose of To avoid the paradox of the brooch itself, replace B(x,y) in B(x,+∞) with A(x,y), and ensure that the brooch on B(x,y) is the same as that on A(x,y) The brooch remembers the same "aftermath" . Regarding the so-called remedy, it has been given above, that is, the B brooch needs to jump from the y point of the B line to the x point of another C line that is the same as the A line, and experience the same A(x, y); and so on. , the C brooch also needs to jump from the y point of the C line to the x point of another D line that is the same as the A line, and also experience A(x, y)... The result of infinite recursion is - the brooch of all world lines All have the same memory A(x,y), and the memory of this brooch of the original B(x,y) does not exist. Then the question comes, as the "cause" of all events after (y, +∞), if B(x,y) does not exist during this period, how can the "effect" exist independently? Doesn't this violate the law of causality? In fact, what really does not exist is the memory of the brooch in time B(x,y), and it still exists during this time B(x,y). The brooch does not observe the memory of this period, but other ordinary people are observing B(x,y), which does not violate the law of causality. In other words, at (x,y) time, the brooch has the memory of the A-line that no longer exists, and other ordinary people have the memory of the B-line. In other words, the brooch has experienced (x, y) in higher dimensions, and what ordinary people observe is only the projection of the (x, y) experienced by the brooch. In the world of ordinary people, the (x, y) of the brooch is not existing. Now, if you replace the brooch with ordinary people, can you avoid the paradox and change the world line by covering the world line? As mentioned above, the premise of completing the world line coverage is that the time machine riders on each world line must maintain the same memory A(x, y). Remember how brooches are different from other ordinary people? If the world line changes from line A to line B, then A(x,y) becomes a world line that does not exist, that is, a higher-dimensional world line, and ordinary people cannot have this memory. Therefore, only the brooch can avoid the paradox by covering the world line; that is, only the brooch can travel back to the past in a time machine without disappearing after completing the change of the world line. After other ordinary people take the time machine to change the world line, they must disappear with the original world line. To sum up, all world lines are the same as line A at (0,x) and the same as line B at (y,+∞); when between (x,y), all world lines are observed under the brooch Same as A(x, y), same as B(x, y under the observation of other ordinary people y) the same. Eventually all the world lines can cover each other and overlap into the same world line. Therefore, in episode 24, if the brooch just went back to the past to save the assistant, the next brooch will not see the "assistant's death", then a second brooch with different memories will be produced, which cannot be covered into a world line, resulting in Paradox, the rescue will fail; therefore, while saving the assistant, the brooch must also ensure that the next brooch can see the illusion of "death of the assistant", and the next brooch can perform the same behavior as himself, and finally the infinite recursion will succeed. Overlay into a world line. Based on the above principles, although there is only one brooch in reality, there are countless brooches logically. At the beginning of episode 1, we can find that the scream that the brooch heard for the first time was his own, not the assistant's, and the assistant obviously had seen the brooch from the future. The brooch is actually not a first-generation brooch, but a second- or more-generation brooch. And in episode 24, after rescuing the assistant, enduring the pain and hiding in the dark, and finally witnessing another brooch going the same path as himself, the brooch with relief said: "Then you will spend the longest time in your life. three weeks." Did the brooch say it to himself, or to the other brooch in front of him? And did the generations of brooches that are constantly and constantly being covered ever exist in the world for a very short time, or in other curling dimensions that we cannot observe? We don't know. The only thing we know is that even if the truth is true, the brooches and assistants on every world line will eventually usher in the happy ending of steingate. The illusion that the next brooch can perform the same behavior as himself, and finally recurs infinitely, successfully covering a world line. Based on the above principles, although there is only one brooch in reality, there are countless brooches logically. At the beginning of episode 1, we can find that the scream that the brooch heard for the first time was his own, not the assistant's, and the assistant obviously had seen the brooch from the future. The brooch is actually not a first-generation brooch, but a second- or more-generation brooch. And in episode 24, after rescuing the assistant, enduring the pain and hiding in the dark, and finally witnessing another brooch going the same path as himself, the brooch with relief said: "Then you will spend the longest time in your life. three weeks." Did the brooch say it to himself, or to the other brooch in front of him? And did the generations of brooches that are constantly and constantly being covered ever exist in the world for a very short time, or in other curling dimensions that we cannot observe? We don't know. The only thing we know is that even if the truth is true, the brooches and assistants on every world line will eventually usher in the happy ending of steingate. The illusion that the next brooch can perform the same behavior as himself, and finally recurs infinitely, successfully covering a world line. Based on the above principles, although there is only one brooch in reality, there are countless brooches logically. At the beginning of episode 1, we can find that the scream that the brooch heard for the first time was his own, not the assistant's, and the assistant obviously had seen the brooch from the future. The brooch is actually not a first-generation brooch, but a second- or more-generation brooch. And in episode 24, after rescuing the assistant, enduring the pain and hiding in the dark, and finally witnessing another brooch going the same path as himself, the brooch with relief said: "Then you will spend the longest time in your life. three weeks." Did the brooch say it to himself, or to the other brooch in front of him? And did the generations of brooches that are constantly and constantly being covered ever exist in the world for a very short time, or in other curling dimensions that we cannot observe? We don't know. The only thing we know is that even if the truth is true, the brooches and assistants on every world line will eventually usher in the happy ending of steingate.
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