Soap bubble for its soaps in 1886 using a painting by John Everett Millais of a child playing with bubbles. The Chicago company Chemtoy began selling bubble solution in the 1940s, and bubble solution has been popular with children ever since. According to one industry estimate, retailers sell around 200 million bottles annually. A bubble is made of transparent water enclosing transparent air. However the soap film is as thin as the visible light wavelength, resulting in interferences. This creates iridescence which, together with the bubble's spherical shape and fragility, contributes to its magical effect on children and adults alike. Each colour
John Everett Millais in 1850-51. By the mid-1850s Millais was moving away from the Pre-Raphaelite style to develop a new form of realism in his art. His later works were enormously successful, making Millais one of the wealthiest artists of his day, but some former admirers including William Morris saw this as a sell-out (Millais notoriously allowed one of his paintings to be used for a sentimental soap advertisement). While these and early 20th-century critics, reading art through the lens of Modernism, viewed much of his later production as wanting, this perspective has changed in recent decades, as his later works have come