HenryT
> `Food for thought` when I was young I always thought superman wore a
> red costume even though I was watching black and white TV.
> <grin>
>
>
> On Dec 16, 2005,-in-9:31 AM, Bob Bock wrote:
>
> > Just an anecdote about something that has always fascinated me. My
> > wife, three sons and I were on a camping trip once. It was night, and
> > a Luna moth landed near our lantern. I said, "That's funny--in every
> > picture I've ever seen, these things are light green. This one's
> > white." My wife said, "What are you talking about? It is green."
> > My oldest son also said it was white, while the twins said it was
> > green.
> >
> > -----Original Message-----
> >> From: Jerry Baker <nanfa-in-bakerweb.biz>
> >> Sent: Dec 16, 2005 1:00 AM
> >> To: nanfa-l-in-nanfa.org
> >> Subject: Re: NANFA-L-- color vision testing
> >>
> >> Mysteryman wrote:
> >>> After that the test taker moves on to the other samples in the series
> >>> which use different base colors like orange & blue, tan & cream,
> >>> mushroom & taupe, maroon & vermillion, yellow & red, red & green,
> >>> purple
> >>> & green, and so forth; there are a dozen of these series. Some
> >>> measure
> >>> differences in very dissimilar colors, and some measure acuity
> >>> within a
> >>> more narrow spectrum, like blue to purple.
> >>
> >> The funny thing is that colorblind people are more attuned to subtle
> >> differences in shade. It's precisely the reason that the principle
> >> behind military camouflage is a mystery to colorblind kids (they can't
> >> figure out why everyone says it makes people hard to see when it does
> >> no
> >> such thing). So if you want someone who can spot the difference
> >> between
> >> two slightly different shades of the same color, then you want a
> >> colorblind person. If you want to detect actual shifts in color, then
> >> you don't want a colorblind person.
> >> /---------------------------------------------------------------------
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/ Association (NANFA). Comments made on this list do not necessarily
/ reflect the beliefs or goals of NANFA. For more information about NANFA,
/ visit http://www.nanfa.org Please make sure all posts to nanfa-l are
/ consistent with the guidelines as per
/ http://www.nanfa.org/guidelines.shtml To subscribe, unsubscribe, or get
/ help, visit the NANFA email list home page and archive at
/ http://www.nanfa.org/email.shtml