- #36
apeiron
Gold Member
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ZapperZ said:I would not touch "mind science" with a 10-foot sofa.
But you would also like to see mind science done right?
ZapperZ said:BTW, how is the concept of "wavelength" more "abstract" than the concept of color? Wavelength is well-defined. Color isn't.
Wavelength is based on the concept of a wave, or a resonance. It is a mathematical concept made precise by sine and other quantifying tricks. It is abstract in that we can apply it to many more things than actual waves on the sea.
But this is obvious to you.
Colour is clearly not a very objective concept. When we talk of the colour of quarks, it is the vaguest of analogies - a reminder of threeness - not meant as a physically generally resemblance.
So my point was that comparing colours is a subjective exercise - though if you were doing psychophysics experiments in the laboratory, there are ways of making measurements that are relatively well controlled.
But wavelength is a physical idea. It has two parts. There is the qualitative concept of "a wave" and then the quantitative machinery that can be used to measure the "waviness" of many aspects of reality.
In fact, the correlation between wavelength and colour experience is not one-to-one. Google Land color constancy if you are interested.