The directing, soundtrack, plot and other aspects of this film have been discussed comprehensively. Here I just want to quote a famous proposition in Western skepticism: "Brain in a Vat" -
"Imagine an evil scientist operating on a person. , cut off his brain and put it in a water tank filled with nutrient solution. The nutrient solution maintains the physical life of the brain, and the nerve endings of the brain are connected to the computer. "He" maintains the illusion that everything is completely normal. For "he", it seems that people, objects, and the sky still exist, and his own movements and physical sensations can be input. This brain can also be input or intercepted memories, and even can be Enter the code and 'feel' himself reading a funny and absurd text here: An evil scientist has operated on a man, removed his brain and placed it in a tank filled with nutrient solution. The physical life of the brain is maintained, and the nerve endings of the brain are connected to a computer, which sends information to the brain according to the instructions of the scientist, so that "he" maintains the illusion that everything is completely normal..."So, how do you prove that you are" you", not a brain in a jar soaked in nutrient solution.
Think about it, then throw away your snacks, turn off the lights, and enjoy the movie.
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