# Will you give information about the “idea of luminosity”? How is “being in many places at the same time” scientifically explained?

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2.1.2.Quantum Mechanics and Luminosity

The most famous experiment that characterizes the strange actions of the particles in the quantum world and that shows being present in more than one place at the same time is the double-slit experiment. If a small slit is opened in the front one of the two parallel walls and if a tennis ball shooting machine shoots out tennis balls toward the wall at the front, the balls that come to the slit will pass to the wall behind and the marks of the balls will form a band on the wall at the back. If the walls are flooded with water up to the line and if waves are formed one after another on the surface of the water, the waves that reach the slits will move on and hit the wall at the back. When there is one slit, there will be no problem. However, in case of two slits, the waves that pass through two slits will undergo interference and, in the places where two wave crests clash, the height of the wave will double and, in the places where a wave trough clashes a wave crest, the two waves will eliminate each other. In the end, in the places where strengthened wave crests hit, a series of interference bands, which are dark in the middle of the wall and get light toward the sides, will form. That is, when waves pass, a series of bands will form instead of two bands.

When the experiment is repeated with an electron gun, in case of one slit, the electron marks that hit the wall at the back form a single band on the part of the wall that is right behind the slit just like the tennis balls. That is, electrons act like small balls. However, when two slits are opened on the wall at the front, a series of interference bands whose intensity decrease form just like in the experiments with water waves, instead of two bands when moved from the center to the sides. That is, electrons pass through the same hole at the same time just like the waves. When the experiment is repeated with only one electron, a band of interference forms on the back wall; and this definitely shows that the electron passes through the same slit at the same time as a wave. That is, electrons start their action as particles and when they see the two slits on the wall, they virtually turn to waves.

More interestingly, when a measuring device is placed at the back of one of the slits in order to see which electrons pass through a certain slit, electrons pass through one or the other slits in the form of particles and form two hitting trace bands on the back wall as if they know that they are being observed. The observation virtually causes the statistical wave function of the electron to collapse and reduces it to a particle. Electrons virtually feel the intention and will of keeping themselves in a certain position, that is, condensing and they become subject to that will as if they have been enchanted.

The characteristic of luminosity, which necessitates being in more than one place at the same time, can show its effect even in the dimension of atoms.

When light (massless photon particles) is used instead of the electron, the same things are observed. That is, the light sometimes acts like a particle and sometimes like a wave. The experiments were done with atoms, whose masses are quite large compared to electrons, and the same results were obtained. That is, the characteristic of luminosity, which necessitates being in more than one place at the same time, can show its effect even in the dimension of atoms. However, when the experiment is done with bullets from an automatic gun, the bullets act like particles no matter how small the bullets are. That is, when matter exceeds the dimension of atom, it loses the characteristic of luminosity rapidly.

One of the theories that is put forward to explain the fact that subatomic particles can be in more than one place at the same time and that is widely approved is the theory of “parallel universes”. According to this theory, particles are present not only in the universe that we know but also in numerous ghostly universes that are intertwined with our universe; and they shuttle among those universes. That is, when they disappear in one, they appear in others. It seems that if the thought of luminosity is not accepted, it will not at all be easy to explain the property of luminosity without using its name. In fact, it is reasonable to prefer the easy one to the difficult one.

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