Is the rabbit hole deep?
How many minutes do you need to understand what the chip is?
Francis Bacon in 1620 divided the sources of human error in the way of cognition into four groups, which he called "ghosts" or "idols" (Latin idola).
"Ghosts of the genus" stem from human nature itself, they do not depend on either culture or individuality of a person. "The human mind is like an uneven mirror, which, mixing the nature of things, reflects things in a distorted and disfigured form."
What "circle" is perceived as the most "round"?
Our eyes are a rather strange organ, which, often, deceives us. But if you know the features of human visual perception, then you can create a more understandable and clean design. Typographers are not the only ones who use optical tricks in creating readable and harmonious looking fonts. This knowledge is also useful to interface designers who organize communication between the user and the machine.
How to create visually proportional icons, correctly arrange objects of different shapes and perform an ideal rounding of corners. In the post there are more than 50 images.