> The cell reacts to a chemical reaction/ absorbtion in the photopigment, thus dependent of the energy of the photon, which is directly related to the frequenc

> The cell reacts to a chemical reaction/ absorbtion in the photopigment, thus dependent of the energy of the photon, which is directly related to the frequency of the wave duality of that photon. This is what we call "seeing" :) This is like saying the atoms in your fingertip never "touch" the elevator button's atoms. Instead, a strong oppositional force develops when the atoms in your skin get close to the atoms in the button. While true, that's exactly what we call "touching"