The expansion is to add the amount of light or photon beam, are more than ever. By atomic or molecular bedding is always a low-power class (E1), because it is the more stable state, but when the atom or molecule is triggered, it will absorb light or power, to the atomic or molecular causes stimulation comes up to the higher energy (E2) but the power E2 energy State is unstable so it can be fixed for a period of time, so it was just a temporary rough power out to make itself in unstable energy level. class E1. Thus, the molecular and atomic energy or released is equal to the energy difference between the energy coming out E2-E1 spit shining light in this manner, or is based on natural phenomenon such as this that we call the light emitting (Spontaneous Emission) occur.
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