Soap bubble into college years. A Swiss university professor, Dr. Natalie Hartzell, has theorized that usage of artificial bubbles for entertainment purposes of young children has shown a positive effect in the region of the child's brain that controls motor skills and is responsible for coordination with children exposed to bubbles at a young age showing measurably better motion skills than those who were not. Soap bubbles have been used as entertainment for at least 400 years, as evidenced by 17th-century Flemish paintings showing children blowing bubbles with clay pipes. The London-based firm A. & F. Pears created a famous advertising campaign
Isabella (Millais painting) flattening the figures ranged along it. Following Pre-Raphaelite theory, Millais almost eliminates chiaroscuro and exaggerates the intensity of juxtaposed colours and tones - as evidenced in the flat black tunic set against the sharply modelled white cloth of the servant at the right, whose lower body virtually disappears as his yellow stockings semi-merge with the background. Millais also carefully characterises each figure with equal precision. Another distinctive Pre-Raphaelite feature is the inclusion of images and patterns within the image as a whole. Each of the plates has a distorted picture glazed into its surface. The base of the bench on