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cyberninja45 said:
IIIIITHE1IIIII said:
Well, it's just as impossible as coming up with a new colour or trying to imagine how a world with an additional dimension would be like.

Why is it impossible to come up with a new colour, whats holding us back?

Our eyes, we cannot see radiation with wavelengths below 390nm or above 750 nm, so all we can see are mixes of what is between those wavelengths that like THE1 said. Some animals can see different wavelengths than us, but we have no idea how they look like for them.