They call it fluid thought. A thought which can be dragged by others moving in the same direction accompanied with the very same strength and idea. It resembles a fluid material that flows gently.
It was first discovered thanks to a study based on how science can create marvelous worlds. We expanded this research trying out, exploring and recreating magnetic backgrounds applied to fluid iron in a sequence of illustrations. The image depicts how the main characters get both contaminated throughout their thinking.
Spray on vintage iron