A fascinating phenomenon that presents itself when you cough
or in some form manage to
transfer drops of transparent fluid to a CRT
(aka, a monitor).
The drop flattens itself on the screen and turns into a plane-convex lens, a miniature and very perishable magnifier that allows you to see the individual phosphor
s in the screen.
The net effect is a round point with brilliant primary color
s: a lenticular
This node is mostly so that you realize that you are not alone, and you are not hallucinating.