Marine current power the rotation of the earth. The sun acts as the primary driving force, causing winds and temperature differences. Because there are only small fluctuations in current speed and stream location with minimal changes in direction, ocean currents may be suitable locations for deploying energy extraction devices such as turbines. Other effects such as regional differences in temperature and salinity and the Coriolis effect due to the rotation of the earth are also major influences. The kinetic energy of marine currents can be converted in much the same way that a wind turbine extracts energy from the wind, using various types
Angel of the Winds Arena Angel of the Winds Arena Angel of the Winds Arena is an $83.3 million multi-purpose complex, in Everett, Washington, designed and developed by the Everett Public Facilities District. The Everett Events Center opened in October 2003. Naming rights were sold to Comcast in 2007, who renamed the arena to Comcast Arena at Everett. In 2014, the name was changed to Xfinity Arena, named after the Xfinity brand that was adopted by the Comcast Cable division. Angel of the Winds Casino Resort, operated by the Stillaguamish Tribe, signed a 10-year, $3.4 million contract to become the arena's new naming rights sponsor