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Puck (hockey)
A hockey puck is either an open or closed disk used in a variety of sports and games. There are designs made for use on an ice surface, such as in ice hockey, and others for the different variants of floor hockey which includes the wheeled skate variant of inline hockey ( roller hockey). They are all designed to serve the same function a ball does in ball games. A closed disk hockey puck having the shape of a short cylinder made of vulcanized rubber is used in the sport of ice hockey. The closed disk has also been referred to as a "flat ball." Hockey pucks are designed for use on either an ice surface, Floor hockey, dry floor, or underwater, though open disk designs have only been used on floors. Open disk hockey pucks have a hole, forming the shape of a toroid, for use in a particular style of floor hockey. They should not be confused with ringette rings, which are Torus, toruses, for use in the sport of ringette. This article deals chiefly with the sport and game pucks which ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ice Hockey Puck - 2
Ice is water frozen into a solid state, typically forming at or below temperatures of 0 degrees Celsius or Depending on the presence of impurities such as particles of soil or bubbles of air, it can appear transparent or a more or less opaque bluish-white color. In the Solar System, ice is abundant and occurs naturally from as close to the Sun as Mercury to as far away as the Oort cloud objects. Beyond the Solar System, it occurs as interstellar ice. It is abundant on Earth's surfaceparticularly in the polar regions and above the snow lineand, as a common form of precipitation and deposition, plays a key role in Earth's water cycle and climate. It falls as snowflakes and hail or occurs as frost, icicles or ice spikes and aggregates from snow as glaciers and ice sheets. Ice exhibits at least eighteen phases ( packing geometries), depending on temperature and pressure. When water is cooled rapidly (quenching), up to three types of amorphous ice can form depending on its his ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
