Some drops of milk are poured into a glass containing water. The different consistency of the two liquids causes the formation of small white arabesques. Their presence is like abstract writing occupying three dimensions. And in addition to height, width, and depth, the dissolution of the milk in the water also occupies the fourth dimension, since time is the fundamental element in the process of the encounter between the two fluids. Slowly, the mixture contained in the glass assumes an opaque consistency and a movement of the movie camera focuses on it for a few moments as the only image visible on the screen. A subsequent frame reveals another change: the gray background against which the glass is initially shot becomes colored. [...]