From: utzoo!dciem!mmt
Newsgroups: net.physics
Title: Re: Query about "averaging" photons ... - (nf)
Article-I.D.: dciem.167
Posted: Wed Feb  2 16:42:57 1983
Received: Wed Feb  2 16:50:36 1983
References: uiucdcs.1419

As you shorten the wavelength beyond the normally visible,
near ultraviolet becomes less deep indigo, returning toward blue
in hue, but also less saturated (greyer) than light of the same
hue but longer wavelength. You can't see it very much further
in the short wavelengths when you stimulate the retina than
by just looking (don't try: it damages the (?) cornea).
		Martin Taylor