From: gdpusch@NO.xnet.SPAM.com (Gordon D. Pusch)
Newsgroups: sci.physics.plasma
Subject: Re: plasma cross color
Organization: XNet Information Systems, Inc.
References: <bba7hg$246a$1@saturn.cs.uml.edu> <bbcphl$37np$1@saturn.cs.uml.edu> <bbdeci$3iai$1@saturn.cs.uml.edu>


"Spike" <spikem007@msn.com> writes (after correcting for top-posting):

> "Wayne G. Dengel" <wgd.roaming@verizon.net> schreef in bericht
> news:bbcphl$37np$1@saturn.cs.uml.edu...
>>
>> Spike, what exactly is cross color? How do we see it?
>
> crosscolor occurs when two colors do not match verry well, such as yellow
> on blue, red on green you'l see at the edge of a contour the two colors
> make little cross, yellow would like to go in to the blue. allmost the
> same thing as you would paint letters on wet paint surface

It should be noted that this phenomenon has less to do with plasma physics,
than with technical limitations on construction and operation of plasma
display panels, as well as aspects of how human visual perception functions.
(Weird things happen in your visual cortex when viewing a sharp edge between
complementary colors --- even when they are printed on paper, using ink...)


-- Gordon D. Pusch

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