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What is the wavelength of light to which
the human eye is sensitive? Answer: 0.00000040 - 0.00000070 meters. Blah! Use scientific
notation: 
meters.
A lot of other phenomena are identical to light except the wavelength is
different.
Transparency, Figure 6-5.
Longer wavelength: infrared (IR), microwave, radio waves.
shorter wavelength: ultraviolet (UV), X-rays, Gamma rays.
Steve Spangler
Mon Aug 23 11:23:43 CDT 1999