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The visible light spectrum is the range of electromagnetic radiation that we are most familiar with. Here you can learn even more about it! ... The Visible Light Spectrum...
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physics.about.com/od/lightoptics/a/vislightspec.htm
physics.about.com/od/lightoptics/a/vislightspec.htm
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Visible spectrum - Wikipedia, the free encyclopedia
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The visible spectrum is the portion of the electromagnetic spectrum that is visible to (can be detected by) the human eye. Electromagnetic radiation in this range of wavelengths is called visible l...
en.wikipedia.org/wiki/Visible_spectrum
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Helium Lasers emit a very narrow spectrum (620nm???). In a graph of the visible light spectrum the Helium laser registers as a single line or wavelength. Flourescent Bulbs produce light by exciting phosphors. There are many phosphors with a varying spectral charateristics.
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www.thekrib.com/Plants/Tech/light-spectrum.html
www.thekrib.com/Plants/Tech/light-spectrum.html
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Additionally, there are light frequencies that occur on the electromagnetic spectrum that are either too high or too low for humans to see such as ultraviolet, located just past the violet portion of the visible light spectrum or infrared, located just past the red portion of the visible light spectrum.
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www.ski.org/Vision/Basics/visualspectrum.html
www.ski.org/Vision/Basics/visualspectrum.html
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Electromagnetic spectrum - Wikipedia, the free encyclopedia
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The electromagnetic spectrum is the range of all possible frequencies of electromagnetic radiation. The "electromagnetic spectrum" of an object is the characteristic distribution of electromagnetic...
en.wikipedia.org/wiki/Electromagnetic_spectrum
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This range is only a small part of the entire EM spectrum, so you can tell that the light we see is just a little fraction of all the EM radiation around us! By the time you get to the ultraviolet, X-ray, and gamma-ray regions of the EM spectrum, lengths have become too tiny to think about any more.
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imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.h...
imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.html
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What is light? Light and lighting are explained in this section. ... But the full range of wavelengths included in the definition of electromagnetic radiation extends from one billionth of a meter, as in gamma rays, to centimeters and meters, as in radio waves. Light is one small part of the spectrum.
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www.howstuffworks.com/light2.htm
www.howstuffworks.com/light2.htm
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When white light shines through a prism, the white light is broken apart into the colors of the visible light spectrum. Water vapor in the atmosphere can also break apart wavelengths creating a rainbow.
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science.hq.nasa.gov/kids/imagers/ems/visible.html
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