Bubble Wrap (brand) Chavannes sealed two shower curtains together, creating a smattering of air bubbles, which they originally tried to sell as wallpaper. When the product turned out to be unsuccessful as wallpaper, the team marketed it as greenhouse insulation. Although Bubble Wrap was branded by Sealed Air Corporation (founded by Fielding and Chavannes) in 1960, it was not until a year later that its use in protective usage was discovered. As a packaging material, Bubble Wrap's first client was IBM, which used the product to protect the IBM 1401 computer during shipment. Fielding and Chavannes were inducted into the New Jersey Inventors
Greek letters used in mathematics, science, and engineering Greek letters used in mathematics, science, and engineering Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities. In these contexts, the capital letters and the small letters represent distinct and unrelated entities. Those Greek letters which have the same form as Latin letters are rarely used: capital A, B, E, Z, H, I, K, M, N, O, P, T, Y, X. Small ι, ο and υ are also rarely used, since they closely resemble the Latin letters i, o