Looking at the Low End
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Infrared photography reveals a world invisible to the naked eye.
Photos by Richard Kadrey
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- Shouldn't this be the High end?
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Maybe things have changed since I was an optics geek at college, but when referring to wavelength, infrared is above the visible specturm not at the lower end, and ultraviolet is below the visible spectrum not above it.
So this article confuses me when it says that 700 nm is at the lowest part of the visible spectrum. Where did the visible spectrum move to?Posted by Smithcraft on December 24, 2007 at 23:30:12 Pacific Time
- Shouldn't this be the High end?
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Ditto that from a Remote Sensing/Satellite Imagery Geek.Posted by stace on January 07, 2008 at 08:01:09 Pacific Time
- Shouldn't this be the High end?
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Infrared light has a larger wavelength than visible light but the frequency is smaller. This also means that ultraviolet light has a higher frequency than visible light. Since the energy of the light is proportional to the frequency, violet is at the higher end of the spectrum while red is at the low end.Posted by uncountable on January 09, 2008 at 20:32:01 Pacific Time
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