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quote:Originally posted by lightarrowThere are infinite colours. I can't understand well what you mean with "surly theres a limit to how much you can mix it?" You mean "how many colours you can create by mixing two or more?" In this case the answer is: infinite as well.For what concerns the ability to perceive different colours, that's another story; we surely are not able to perceive infinite different colours, but, however we can perceive a great number of it. I actually don't know how many, but of certainly it depends on the single individual.
quote:Originally posted by another_someone What do you mean by 'colour'?Is not colour simply a matter of perception, and if there are limits to what we can perceive, then do not those limits actually define the limits of colour?If you are asking whether there is an infinite number of possible frequencies of electromagnetic waves, then even then, there may well be quantum limits on how close two different frequencies may be, and equally there must be an upper limit to the amount of energy a wave can contain, because there is a limit to the amount of energy in the universe.
quote:Originally posted by lightarrowWelcome back another_someone.
quote:I really didn't know about quantum limits on how close two different freq. can be. Can you explain me?
quote:About an upper limit for a wave's energy, it's true, but I was actually talking about a limited range of frequencies, that is, the visible range.
quote:Originally posted by another_someoneI was thinking about limits such as the plank length, that may present a lower limit to which two different wavelengths may be discriminated.