in reply to Re: How many colors does a rainbow have?
in thread How many colors does a rainbow have?
Nothing is ever described as being indigo in color.
The Dinosaur Whiteboard strip 569 gives a counterexample.
Chemists Ferdinand Reich and Hieronymous Richter named indium after its indigo spectral lines.
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Re^3: How many colors does a rainbow have?
by no_slogan (Deacon) on May 10, 2017 at 15:12 UTC | |
by jdporter (Paladin) on May 10, 2017 at 22:23 UTC | |
by BrowserUk (Patriarch) on May 10, 2017 at 22:46 UTC | |
by jdporter (Paladin) on May 11, 2017 at 23:35 UTC |