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A backboard is a piece of basketball equipment. It is a raised vertical board with an attached basket consisting of a net suspended from a hoop. It is made of a flat, rigid piece of, often Plexiglas or tempered glass which also has the properties of safety glass when accidentally shattered. It is usually rectangular as used in NBA, NCAA and ...
Under International Basketball Federation (FIBA) rules, [2] the court is slightly smaller, measuring 28 by 15 meters (91.9 by 49.2 ft). In amateur basketball, court sizes vary widely. Many older high school gyms were 84 feet (26 m) or even 74 feet (23 m) in length. The baskets are always 10 feet (3.05 m) above the floor (except possibly in ...
An acrylate polymer (also known as acrylic or polyacrylate) is any of a group of polymers prepared from acrylate monomers. These plastics are noted for their transparency, resistance to breakage, and elasticity. Acrylate polymer is commonly used in cosmetics, such as nail polish, as an adhesive. [ 1 ]
Construction. A picture frame is a container that borders the perimeter of a picture, and is used for the protection, display, and visual appreciation of objects and imagery such as photographs, canvas paintings, drawings and prints, posters, mirrors, shadow box memorabilia, and textiles. Traditionally picture frames have been made of wood, and ...
A layup is a two-point attempt made by leaping from the ground, releasing the ball with one hand up near the basket, and using one hand to tip the ball over the rim and into the basket (lay-in) or banking it off the backboard and into the basket (lay-up). The motion and one-handed reach distinguish it from a jump shot.
Poly (methyl methacrylate) (PMMA) is the synthetic polymer derived from methyl methacrylate. It is used as an engineering plastic, and it is a transparent thermoplastic. PMMA is also known as acrylic, acrylic glass, as well as by the trade names and brands Crylux, Hesalite, Plexiglas, Acrylite, Lucite, and Perspex, among several others (see below).
Therefore, new backboards were installed that contained one-and-a-half inch thick plate glass allowing fans to see games without an obstructed view. As a result, it was the first facility (thus the Hoosiers were the first team) in the country to use glass backboards.
Studies on acrylic esters slowly developed until the Staudinger's theory of macromolecules and his research into the nature of polyacrylates allowed to control the polymerization. Company Rohm and Haas founded by German chemist Otto Röhm , who investigated the topic for three decades, was finally able to start its industrial production in 1931.
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