Blue Light
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How is it possible to have a beam of red light that is brighter than a beam of blue light?
How is it possible to have a beam of red light that is brighter than a beam of blue light, when blue-light photons are more energetic than those of red light?
Brightness is a measure of how many photons are present, not how energetic they are. A bright light emits many photons, while a less-bright light emits less. I think that humans perceive all photons equally--we see the photon and its wavelength and frequency, not its energy, although I am not sure about that.
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January 13th, 2011 in
oral care | tags: blue light, blue light for acne, blue light lyrics, blue light therapy, blue lightning express, design, inspiration, light, science, webdesign