History of Prism

	Revision 15 . . (edit) December 5, 2001 5:45 am by Sodium
	Revision 14 . . (edit) November 1, 2001 5:19 am by DrBob [image uploaded]
	Revision 12 . . (edit) October 3, 2001 5:47 am by DrBob [link to dispersion]

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Difference (from prior major revision) (minor diff, author diff)

Changed: 5c5

In optics, a prism is a device used to reflect light or to break it up into its constituent spectral colors, traditionally built in the shape of a triangular prism.

In optics, a prism is a device used to reflect light or to break it up (to disperse it) into its constituent spectral colors, traditionally built in the shape of a triangular prism.

Added: 7a8,9

http://www.wikipedia.com/images/uploads/prism1.png