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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 .
The stunt usually causes games to be canceled or delayed, incurring a foul for the offending player, serious injuries to occur and costs of cleanup and replacement. Shattering a backboard can be dangerous, sending various small pieces of the backboard glass flying over the players, sideline press personnel, referees, and spectators.
The characteristics of polycarbonate compare to those of polymethyl methacrylate (PMMA, acrylic), but polycarbonate is stronger and will hold up longer to extreme temperature. Thermally processed material is usually totally amorphous, [ 7 ] and as a result is highly transparent to visible light , with better light transmission than many kinds ...
Head immobilizer at the top of the backboard. Backboards are almost always used in conjunction with the following devices: [citation needed] a cervical collar with occipital padding as needed; side head supports, such as a rolled blanket or head blocks (head immobilizer) made specifically for this purpose, used to avoid the lateral rotation of ...
Former state comptroller Carl McCall released an open letter on Feb. 15 endorsing former New York Governor Andrew Cuomo to be Adams’ replacement. “Donald Trump wants us to fail as a community.
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 . This plastic is often used in sheet form as a lightweight or shatter-resistant alternative to glass. It can also be used as a casting resin, in inks and coatings, and for many ...
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