This is an old revision of this page, as edited by AxelBoldt (talk | contribs) at 18:15, 16 November 2001 (+/Talk). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
Revision as of 18:15, 16 November 2001 by AxelBoldt (talk | contribs) (+/Talk)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)Blue light is one of the three primary additive colours, and has the shortest wavelength of the three primary colours.
Blue light has a wavelength of roughly 470 nm.
A clear sky on a sunny day is coloured blue because of Rayleigh scattering of the rays of the Sun.
If your browser supports colour display, the following patch should be blue:
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