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
Pears (soap) Pears (soap) Pears transparent soap is a brand of soap first produced and sold in 1807 by Andrew Pears at a factory just off Oxford Street in London, England. It was the world's first mass-market translucent soap. Under the stewardship of Thomas J. Barratt, A. & F. Pears initiated a number of innovations in sales and marketing. A. & F. Pears was acquired by Lever Brothers, now Unilever, in 1917 and products under the Pears brand are currently sold in India, Sri Lanka and Nigeria. Andrew Pears, the son of a farmer, was born about 1770 in Cornwall and moved