"Don't try to understand it, but feel it."
The movie that Water Monster will talk about today is Christopher Nolan 's action science fiction film "Creed" released in 2020.
But here is only responsible for some very important theories in popular science movies, to help everyone better understand this brain-burning movie.
Entropy increase : Positive flow of time
This is the theoretical basis of the movie, that is, an isolated thermodynamic system whose entropy always tends to increase. Entropy is considered to be a measure of disorder. As time goes by, the system is always more and more disordered.
For example: a cup of hot water will cool down after a period of time, this state is irreversible; or a room, if there is no one to clean, it will become more and more chaotic, this is from order to disorder the trend of.
In the same way, everything has a cause and effect. The cause is generally considered to happen before the result. This means that we can control the future from the present, but we cannot change the past.
"Span5span Creed " is actually a description of time travel, but there is no time machine, then how to realize time travel?
Okay, since your entropy is increasing, let's first decrease the entropy. Take the glass of water just now. In the case of decreasing entropy, the cold water will get hotter and hotter for a period of time, we just reverse it. The order of the cause and effect.
Entropy reduction: time reversal
In traditional science fiction movies, time travels through time and people do not move. It is like Li Hua going back to yesterday at this time, he just turns the alarm clock back a circle, he I went back, this alarm clock is a time machine.
And "Creed" is not, it describes time does not move, and people "move", the realization of the way is through a time converter (gate), the flow of time behind the door is the opposite.
Based on this theory, Li Hua intends to return to yesterday this time, he needs to go through the door, and then go through the 24 hours yesterday.
Now let’s take a look at Li Hua’s perspective:
In the world of reduced entropy, people walk backwards, birds fly backwards, and cars drive backwards. He can’t understand the people around him. , Because the words are also spoken backwards, and the pronunciation is also pronounced backwards. For example, you (ni) (hao), which sounds like "oah in", and Li Hua can't breathe because the countercurrent air cannot open the lung valves. Oxygen goes out of the lungs.
So, in order to better represent the world of entropy reduction, the director gave the following settings:
respirator : The character must wear a breathing mask to breathe.
Reverse material : The items brought by the character to the reverse world are transformed from normal items, such as bullets made of reverse materials. The bullets are not shot but caught.
Reverse time capsule : The exchange medium between the future and the past is filled with reverse objects, so it is buried by people in the future and discovered by people in the past.
special clothing : In the reverse world, you will inevitably encounter your past self, but once you come into contact with it, it will lead to self-destruction, similar to the phenomenon that dark matter and normal matter will annihilate, so you must wear this A special costume can realize the situation of fighting oneself.
Information : Although the world cannot understand the language,However, the text messages, call records, and surveillance videos sent are all sent to the future, so the character who returns to the world can check this information at any time, so as to obtain the target's past actions, and then realize the arrest.
U-shaped door
This is a time door. A glass wall is placed between the entrance and exit to form an independent isolated space, so that two times can appear in the same time and space.
For example, before Li Hua entered the door, he saw another himself on the other end of the glass wall making a grimace at him, and then after Li Hua went out, he made a grimace at himself before entering the door through the glass wall.
But just going through the U-shaped door once alone cannot really go back in time.
For example, Li Hua will go back to 12 o’clock yesterday to rescue a suicidal person. After he passed the U-shaped door, the time he experienced was out of sync. On Li Hua’s timeline, the person was already dead. Falling, even if he was retrograde until 12 o'clock yesterday, this person just went from death to life, and Li Hua could not interfere.
Therefore, it is necessary to go through the U-shaped door twice to turn the "reverse world" into the "positive world" in order to truly "go back to the past".
For example, in the case of saving people, Li Hua wanted to save people at 12 o’clock, but he didn’t have time. He arrived at 12:10, so he went through the U-shaped door. The place waited on the spot for 20 minutes. During this time, Li Hua needed to wear a breathing mask. Then he would see this person go from death to life, and then return to before committing suicide, that is, at 11:50, so he Passed through the U-shaped door again, so it is now 11:50, so Li Hua took off the breathing mask and saved the people, because this U-shaped door can realize two space-times in the same space, so as long as there is this door, he It can appear back and forth between 12:10 and 11:50 countless times.
The pincer action of time
The word was invented by the director.
"Clamp-on" comes from military terminology, which means that our troops attack the enemy from two directions.Forcing the enemy to fight on both sides, here, the two directions are from two different time dimensions, and then in the same time and space to strike together, forward and reverse together.
film uses different colors to distinguish between forward and reverse. Red represents forward and blue represents reverse. The advantage of this offense is that the reverse force already knows the encounter and battlefield intelligence of the forward force when attacking, and then the reverse force can always check The information is passed to the forward troops so that the forward troops can launch an offensive before the enemy attacks and avoid excessive casualties.
The past cannot be changed
This is something that has always been emphasized in the movie, but the pros and the villains have gone back to the past to intervene in the progress of some things. How to understand "the past cannot be changed" ?
This is something that cannot be explained in all time-travel movies, the "grandfather paradox":
Xiao Ming went back in time and killed his young grandfather, and then there will be a contradictory fact: since Xiao Ming's grandfather is young It died lightly, then there must be no Xiao Ming's father. Since there is no Xiao Ming's father, then there will be no Xiao Ming. So who killed Xiao Ming's grandfather?
Perhaps, only the parallel world can explain it.
It was Xiao Ming from another world who killed Xiao Ming's grandfather, and Xiao Ming in this world no longer exists at this moment.
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