From the film point of view, the filming is quite good, at least a well-regulated Hollywood commercial masterpiece. However, from the first time I heard the principle of the Pim particle in the movie, I wondered that if the size of the human body is only reduced by reducing the atomic distance, the mass of the human body will not change. In this way, when the reduced person stands, he will concentrate the force of 900 Newtons on two feet with a diameter of one-half millimeter. When he is stationary, the pressure on the standing plane will reach 9000kpa, which is equivalent to 90 atmospheres. At 10% of the penetration pressure of a bullet, if he hits an object at a speed of 100 meters, it is slightly equivalent to a bullet attack. He is a super destructive weapon, and he accidentally hit something. , It is devastating, maybe a Pim particle eye can penetrate your retina (joke). In short, ordinary concrete roads cannot withstand this pressure, let alone wooden tables, CDs, and wooden floors. . . The reduced protagonist will have difficulty walking on the earth. Most of the time, he should be in a state like, "Damn, it's stuck in the concrete ground again, who can help me". . . This earth is not designed for creatures of this kind of density and strength at all.
However, I actually saw the protagonist running briskly on the soft soil after shrinking, there were tanks hung on the key chain, and the toy train battle that completely ignored the conservation of momentum.
In order to prevent young people who love science from being misled by the film, I would also like to point out some heinous falsehoods in the film. First of all, the protagonist is impossible to shrink indefinitely, let alone any subatomic level, there is no quantum tunneling, because the mass body shrinks to a certain extent (less than its Schwarzschild radius), it will become a black hole. , And then disappear quickly; again, when the protagonist shrinks to the so-called subatomic level, it is impossible to hear the sound, because the sound is transmitted through the air, and the protagonist is already in the gap of air molecules, there is a vacuum, so , The protagonist will suffocate and die; finally, if you step back one trillion steps, the protagonist will not suffocate even if he does not become a black hole, but when he shrinks to the sub-atomic level, classical physics will fail and will be replaced by quantum physics, so , The protagonist’s behavior will follow the uncertainty principle and will be dispersed in space according to the Schrodinger wave equation. However, because he is a conscious body, will his autonomous consciousness cause collapse? unknown. But whether there is consciousness at the subatomic level is very suspicious. However, it is certain that after the dart is separated from the body, because the wavelength of the light is too large, it will not reflect such a small object (only diffraction), and the human eye cannot see it. The dart will become a wave (although this violates Common sense but it is indeed scientific), then, once the dart is out of the body, it is impossible for the protagonist to capture it clearly and easily as in the movie.
It is recommended to label the movie with a fairy tale, because it is not science fiction at all.
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