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Originally Posted by zen_tom
You can say - "that object reflects light in the frequency range of 610 - 659THz " - or you could say - "that object is blue."
Personally, I'd use the colour-label.
As for whether it exists? What do you mean? It exists as much as any human-defined property exists. |
Exacty.
Do tables exist?
Of course they do! Look there's a table right here....
...but thats not a table! Its just a few pieces of wood stuck together. And in fact those pieces of wood are nothing more than huge bunches of atoms!
Therefore tables don't exist.