These are black 'spots' on the water surface where the swirl in the water combined with the natural coefficient of drifraction of the surface of water bends the light coming up from the bottom of the pool around the circular motion of the swirls creating 'black holes' on the surface of the pool.
These are black 'spots' on the water surface where the swirl in the water combined with the natural coefficient of drifraction of the surface of water bends the light coming up from the bottom of the pool around the circular motion of the swirls creating 'black holes' on the surface of the pool.
wcwiegman 3 weeks ago