Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > sci.physics.relativity > #391509

Re: Red, Blue and Green

From Thomas Heger <ttt_heg@web.de>
Newsgroups sci.physics.relativity
Subject Re: Red, Blue and Green
Date 2016-09-04 08:06 +0200
Message-ID <e31rugFhff1U1@mid.individual.net> (permalink)
References (4 earlier) <57C67DBC.5458@ix.netcom.com> <57C70BCD.7344@ix.netcom.com> <57C9B010.1199@ix.netcom.com> <57CB16D6.5166@ix.netcom.com> <57CB3027.4A81@ix.netcom.com>

Show all headers | View raw


Am 03.09.2016 22:18, schrieb The Starmaker:

>>>>>   1.
>>>>> Art. a color, as red, yellow, or blue, that in mixture yields other colors.
>>>>> Compare complementary color (def 1), secondary color, tertiary color.
>>>>> 2.
>>>>> Optics. any of a set of monochromatic colors, as red, green, and blue, that are added to match or specify the chromaticity of a stimulus or sample.
>>>>>
>>>>> There above are Two primary colors
>>>>>
>>>>> 1.red, yellow, and blue
>>>>>
>>>>> 2.red, green, and blue
>>>>>
...
>>>>> My question is...why are there two "primary" colors on earth?

Answer:
1.) subtractive mixture of colours above a white surface
2.) additive mixture of light of different colour on a black background

You can easily see the difference on your computer screen, if you use a 
strong magnifying lens.

Then you would see tiny dots in red, blue and green, which together 
create the impression of white.

If you subtract the colours, you use the opposite colours called yellow, 
magenta and cyan, (which is roughly yellow red and blue).


...
>
> If you buy a jar of White paint, (Red, Blue and Green mixed) and you add Blue...you get White.

Definitely not !!!

If you mix white and blue paint you get light blue.


TH

Back to sci.physics.relativity | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

Red, Blue and Green The Starmaker <starmaker@ix.netcom.com> - 2016-09-03 13:18 -0700
  Re: Red, Blue and Green The Starmaker <starmaker@ix.netcom.com> - 2016-09-03 14:57 -0700
    Re: Red, Blue and Green The Starmaker <starmaker@ix.netcom.com> - 2016-09-03 16:01 -0700
      Re: Red, Blue and Green The Starmaker <starmaker@ix.netcom.com> - 2016-09-04 12:46 -0700
        Red, Blue and Green The Starmaker <starmaker@ix.netcom.com> - 2016-09-07 23:22 -0700
  Re: Red, Blue and Green The Starmaker <starmaker@ix.netcom.com> - 2016-09-03 16:03 -0700
    Re: Red, Blue and Green The Starmaker <starmaker@ix.netcom.com> - 2016-09-03 16:06 -0700
      Re: Red, Blue and Green pcardinale@volcanomail.com - 2016-09-19 17:37 -0700
        Re: Red, Blue and Green The Starmaker <starmaker@ix.netcom.com> - 2016-09-20 00:18 -0700
          Re: Red, Blue and Green pcardinale@volcanomail.com - 2016-09-22 11:28 -0700
  Re: Red, Blue and Green Thomas Heger <ttt_heg@web.de> - 2016-09-04 08:06 +0200
    Re: Red, Blue and Green The Starmaker <starmaker@ix.netcom.com> - 2016-09-05 22:49 -0700
      Re: Red, Blue and Green Thomas Heger <ttt_heg@web.de> - 2016-09-07 00:40 +0200
        Re: Red, Blue and Green The Starmaker <starmaker@ix.netcom.com> - 2016-09-06 16:49 -0700
          Re: Red, Blue and Green The Starmaker <starmaker@ix.netcom.com> - 2016-09-07 10:01 -0700
            Re: Red, Blue and Green Gutless Umbrella Carrying Sissy <taustinca@gmail.com> - 2016-09-07 10:12 -0700
          Re: Red, Blue and Green Thomas Heger <ttt_heg@web.de> - 2016-09-11 05:46 +0200
            Re: Red, Blue and Green mlwozniak@wp.pl - 2016-09-20 01:59 -0700
              Re: Red, Blue and Green The Starmaker <starmaker@ix.netcom.com> - 2016-09-20 09:47 -0700
                Re: Red, Blue and Green mlwozniak@wp.pl - 2016-09-20 23:09 -0700
                Re: Red, Blue and Green The Starmaker <starmaker@ix.netcom.com> - 2016-09-21 21:48 -0700
    Re: Red, Blue and Green The Starmaker <starmaker@ix.netcom.com> - 2016-09-05 22:59 -0700
  Re: Red, Blue and Green astrofoton@interia.pl - 2016-09-07 13:17 -0700

csiph-web