But the frequency of the light we see is so high, it waves up and down about 400 million million times a second, that we can't possibly see it as a wave. But we can tell, by looking at its color, what its frequency is.
No frekvencija svjetlosti koju vidimo toliko je visoka, iznosi oko 400 bilijuna puta u sekundi, da ju nikako ne možemo vidjeti kao val. No možemo, gledanjem boje, odrediti koje je frekvencije.