It might be more accurate to say that every atom in the universe are touching just a little, but the closer together they are, the more they touch. It’s a matte

It might be more accurate to say that every atom in the universe are touching just a little, but the closer together they are, the more they touch. It’s a matter of threshold of probability, really. The inputs to the biological sensorium remain linear off the scale of discernment, but there are mechanisms involved in the sensing that have a nonlinear signal response, giving the very useful illusion of binary edges to sensory phenomena.