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
Bernard Pears pear, but contrary to what some believe, there is no William Pear in our lineage." In 1952, together with his son Clive Pears, he founded the William Pears Group. Bernard Pears Bernard Pears was an Austrian-born British businessman, and the founder of the William Pears Group, one of Britain's largest property companies. He was born Bernard Schleicher, and emigrated from Austria to Hackney, London, and changed his surname to Pears. The change of surname took place on 8 November 1939, and he gave his address as 180 Fore Street, Edmonton, London. Pears started a greengrocer business in north London, which