What is so special about the spectrum of the visible light? Why can’t we see radio waves or ultra violet rays?

Question

What is so special about visible light spectrum?

In: 6

Answer 1

A simple answer is that we only have 3 cones in our eyes to detect visible light (Red, Blue and Green cones) if we had more cones or receptors we would be able to. I think in the future, it’d be possible with a bionic eye.