This is an image from a bubble chamber. It shows the paths made by tiny particles as they move through liquified gas. These spiraling tracks are caused by collisions between subatomic particles. The protons, neutrons and electrons that make the tracks are impossible to see directly.
Epic Floor Design, although I'm not sure what the idea is. if laid with clear or glass tiles to see the design would be different, but to put black tiles over doesn't make any sense. I wonder if you get a magnifying glass to view the floor.