Could you squeeze the molecules of light together? Does light even have molecules? What dimension is it in?
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Light is not made up of "molecules", but rather photons which are bits of energy. Light exists in the same four dimensional space-time fabric as everything else. You cannot really "squeeze" photons together, because they do not have a defined spacial extent. However there are higher/lower intesity sources of light based on the energy put into the beam. More energy = more intensity = more photons. Light exhibits the strange particle wave duality which is prominent in quantum mechanics because it can display particle-like behavior as photons (the photoelectric effect) or wave-like behavior as oscillating electric and magnetic fields as discovered by Maxwell.
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I am not sure about that "molecules" bit, I always thought of light as expressed in energy.
and the energy can be concentrated by way of lenses & mirrors. if that is the answer you are looking for. Please add detail.
and the energy can be concentrated by way of lenses & mirrors. if that is the answer you are looking for. Please add detail.