I am thinking loud and opening a question to common wisdom. I think we can learn from pixel interpolation. An software looks to two neighbor pixels and calculate to dope more pixels between them. By this way , an computer enlarge a small dpi image in to bigger.
We have no pixels but silver grains and we can relate these grains with neighboring ones with electric action. I dont know whether if we give to a film piece ,electric in a solution by AC current , whether there is a change of the...