In the Beginning of the Material Universe
In the beginning of the universe, electrons e(-) and positrons e(+) were created almost in the same number. They collided to disappear leaving light. But it is said that because the number of electrons was a little more than that of positrons, electrons remained to form atoms with protons, thus leading to the formation of this material world.
e(-) + e(+) --> Light(0)
However, there is one miraculous condition that the amount of electric charge of an electron is equal to that of a proton, so that each atom is essentially neutral in terms of electric charge. A proton consists of three quarks each of which has nothing to do with an electron but has a specific electric charge, respectively. When these three quarks build a proton, the total electric charge is the same amount of that of an electron, though, with an opposite sign.
It is truly strange.
However, a proton is predicted to decay into one positron and one neutral pion which decays into tow photons (particles of light) over a long period of more than 10^30 years. It tells that a proton consists of one positron and light, so that it suggests that the electric charge of a proton comes from that of the positron.
p(+) --> e(+) + pi(0) --> e(+) + 2 photons (Light)
So, there is a following possibility:
In the beginning of the universe, electrons e(-) and positrons e(+) were created almost in the same number. But positrons were combined with neutral pions (made of photons) to form protons while carrying their electric charge into protons. Accordingly, atoms neutral in terms of electric charge could be built with protons and electrons. Positrons did not disappear due to collision with electrons but survived in protons.
Light --> e(-) + e(+)
e(+) + 2 photons (Light) --> p(+)
p(+) + e(-) --> Atom(0)
Atoms --> Molecules --> Materials
Physicists may find new theory to eventually support the above scenario at the beginning of the material universe.
Anyway it is reasonable that light is the source of materials in this universe because light seems to directly reflect the glory of God in this universe.
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Mar 9:2 And after six days Jesus taketh with him Peter, and James, and John, and leadeth them up into an high mountain apart by themselves: and he was transfigured before them.
Mar 9:3 And his raiment became shining, exceeding white as snow; so as no fuller on earth can white them.
Mar 9:4 And there appeared unto them Elias with Moses: and they were talking with Jesus.