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I added a category so the articles are automatically mutually accessible. After the article's next edit which reloads the template, that is. ( SEWilco 06:26, 27 May 2005 (UTC))
In the EMS article describes the visible spectrum as consisting of violet, blue, cyan, green, yellow, orange and red. Where did indigo come from? And where is cyan? Matveims 00:01, 20 December 2005 (UTC)
Has there been enough talk about the inclusion of indigo for there to be a poll on whether indigo should actually be included?? Here is my answer:
Indigo is known almost exclusively for its inclusion in ROYGBIV, which is because Newton wanted 7 colors instead of just 6. I don't think it is really talked about practically in anyway independent of its inclusion in ROYGBIV. I say remove it. Any objections?? Georgia guy 00:04, 20 December 2005 (UTC)
Violet | Indigo | Blue | Green | Yellow | Orange | Red |
Violet | Blue | Cyan | Green | Yellow | Orange | Red |
So, shall we include cyan in the spectrum? User:Matveims 01:46, 12 January 2006 (UTC)
I didn't know this debate was going on, so let's perhaps take a step back? The division of the optical spectrum is arbitrary. We have to use something, and Newton's seven colours are as good a division as any (if we were to select colours based on the examples above then we might eliminate blue!). The "seven colours of the rainbow" have been known to generations of school kids and are widely accepted throughout education and elsewhere. Wikipedia should not try to modify current thinking - it should report it. I suggest we re-instate the ROYGBIV listing until a fuller debate has taken place. Alternatively we could set up an article for the "traditional spectrum", but that doesn't get over the problem of the template. Arcturus 23:26, 24 January 2006 (UTC)
Excuse me, but cyan is not a monochromatic color (it's a mix of green and blue), so it shouldn't be listed in a list of EM spectrum, in my opinion! Only monochromatic colors (meaning existing of only 1 specific frequency in the spectrum) should be listed here. R U Bn ( Talk • contrib) 12:42, 18 March 2007 (UTC)
If anyone thinks that the "a" and "u" in the K-band links should be subscripted, here's the code to do it.
I tried it and found it ugly, so I haven't put that stuff in, but others may think differently about it.
Atlant 17:49, 10 March 2006 (UTC)
I've added a sub-table for the radio spectrum. I think it's a useful addition to a template that claims to describe the EM spectrum, but I'm not entirely satisfied with it for two reasons:
I'll try to continue improving this, but if anyone else wants to jump in, please feel free!
Atlant 13:20, 29 March 2006 (UTC)
Indigo should be put back onto the template as it is recognized as being a part of the em spectrum. -- Wikipedical 00:44, 1 November 2006 (UTC)
It's necessary to use the right tone of indigo which approximates spectrum indigo. The tone of indigo that approximates spectrum indigo is called electric indigo. Keraunos ( talk) 21:19, 19 April 2010 (UTC)
Chartreuse green, spring green, and cyan should also be included as spectrum colors, but they are not included solely because it is not traditional to do so; it is only traditional to depict the spectrum as having the seven colors originally assigned to it by Isaac Newton. If chartreuse, spring green, and cyan were included, that would make ten spectrum colors. How one divides up the spectrum is somewhat arbitrary because it is a continuum of color. Keraunos ( talk) 21:30, 19 April 2010 (UTC)
Proposal as below nextto "Visible (optical) spectrum:":
Gamma ray • X-ray • Ultraviolet • Visible spectrum • Infrared • Terahertz radiation • Microwave • Radio waves | |
Visible (optical) spectrum: | Violet • Blue • Green • Yellow • Orange • Red |
Microwave spectrum: | W band • V band • K band: Ka band, Ku band • X band • C band • S band • L band |
Radio spectrum: | EHF • SHF • UHF • VHF • HF • MF • LF • VLF • ULF • SLF • ELF |
Wavelength designations: | Microwave • Shortwave • Mediumwave • Longwave |
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