2
votes
3answers
56 views

Why can colors be mixed? [duplicate]

We can combine colored light, creating other colors, at least in terms of visual perception. But how it the result physically "a different color" - if it is at all? Or is all this not a physical ...
5
votes
2answers
970 views

How photons represent colors that you see?

Right now, my understanding is that, a mixture of photons of many different frequencies is perceived as white by your eye. While no photons at all, is perceived as black. And photons with the blue ...
8
votes
5answers
1k views

Why is Light invisible?

Why can't we see light? The thing which makes everything visible is itself invisible. Why is it so?