Visible light is a slice of the total electromagnetic spectrum.
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjb5EiSa3BprsUR9WF_a3pAaqQG44YdWmHM0KZZn3snOcBlYo162gpfKtiyb5sCmvQqUtDB5RKmD56A31IRxQ9YsFJcm7Pbywl6583KCVbimqUb8Ah5aPus1VS9H8EST1Y5DAq24vKLmjY/s1600-h/bio_espectrum.jpg
Sound spectrum:
http://en.wikipedia.org/wiki/File:Ultrasound_range_diagram.png
http://en.wikipedia.org/wiki/File:EM_Spectrum_Properties_edit.svg
Wednesday, June 3, 2009
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