Deezer Deezer Deezer is an Internet-based music streaming service. It allows users to listen to music content from record labels including Sony Music, Universal Music Group, and Warner Music Group on various devices online or offline. Created in Paris, France, Deezer currently has 53 million licensed tracks in its library, with over 30,000 radio channels, 14 million monthly active users, and 6 million paid subscribers as of 3 April 2018. The service is available for Web, Android, iOS, Windows Mobile, BlackBerry OS and Windows, MacOS. In 2006, Daniel Marhely developed the first version of Deezer, called Blogmusik, in Paris. Its idea
Tidal stream generator protect marine life. The 14-meter version has a rated power of 850 kilowatts at 1.7 meters per second. The kite is tethered by a cable to a fixed point. It "flies" through the current carrying a turbine. It moves in a figure-eight loop to increase the speed of the water flowing through the turbine tenfold. Force increases with the cube of velocity, offering the potential to generate 1,000-fold more energy than a stationary generator. That maneuver means the kite can operate in tidal streams that move too slowly to drive earlier tidal devices, such as the SeaGen turbine. The kite