Quantum mechanics or quantum physics, it is a theory that is concerned with studying the behavior of matter at the subatomic level, and interest in explaining everything related to the atom of components and particles such as electrons, protons, neutrons and other smaller particles such as quarks and gluons and describing their properties One of the most important departments of physics is classical physics. Classical physics is considered one of the branches of science specialized in studying and explaining the motions of large bodies such as planets, stars and Galaxies

Quantum Mechanics And Classical Physics 

But scientists found that the laws of classical physics do not apply to the subatomic world, and after attempts to search for a comprehensive theory and test it on a subatomic world, a new theory appeared to explain these phenomena, now known as quantum mechanics. One of the strange and interesting definitions that have been presented to mechanics is that it is the effect of consciousness on the observation process. From this standpoint, I will explain the most experiments that contributed to building this definition:

.The scientist Claude Johnson carried out this experiment to find out the behavior of electrons. Do they really behave like particles always? To describe this experiment, we take a device that throws electrons towards a wall with two slits, and behind this wall a screen is placed that can monitor the lines falling on it. We also know that electrons are physical particles, and therefore the result is expected in all cases. Two vertical lines (as the old expression says), but the result was stranger than imagination What appeared was that the entry of electrons through a double

Double-slit experiment

slit without monitoring it will form a state of interference (wave function), while when it is monitored, it will be embodied in the form of a particle so that two vertical lines are seen on a wall  The process of observing electrons makes it behave one way out of all possibilities, leaving its wave function to collapse in the monitoring process, and if it is not monitored, it will be anywhere at the same time. This state is known as quantum superposition

Quantum Superposition 

Hence the idea of ​​the multiverse theory, which says that there are an infinite number of universes, and in each universe there is one possible possibility for each.Existing in our universe (or in other words, everything that could happen here in our universe is happening in one of these infinite universes) if electrons can change their behavior according to monitoring and are formed in the form of only one particular possibility just because we monitor .

Quantum Mechanics

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