This morning I got some warm water from the shower head to a dark plastic basin to wash some sensitive clothes.
During the process lots of tiny bubbles got into the water so it had a cloudy appearance.
Since the water was quite warm the air in bathroom was humid. The water was steaming. Having seen some cloud chamber videos before, I suddenly recognized horizontal thread-like patches of clouds rising from the surface.
But once the all bubbles floated up and popped and water cleared up the steaming stopped.
My hypothesis is that the tiny bubbles released lot of water wapor at the surface when they all popped making a supersaturated region for some seconds, that allowed condensation along trails. But I'm not sure.
Did I really saw particle ionization trails? Or just the turbulent air flow caused the thread-like patches of clouds?