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Deepwater Horizon was a fifth-generation, RBS-8D design (i.e. model type), deepwater, dynamically positioned, column-stabilized, [4] semi-submersible mobile offshore drilling unit, designed to drill subsea wells for oil exploration and production using an 18.75 in (476 mm), 15,000 psi (100,000 kPa) blowout preventer, and a 21 in (530 mm ...
The Deepwater Horizon oil spill (also referred to as the "BP oil spill") was an environmental disaster which began on 20 April 2010, off the coast of the United States in the Gulf of Mexico on the BP-operated Macondo Prospect, considered the largest marine oil spill in the history of the petroleum industry and estimated to be 8 to 31 percent larger in volume than the previous largest, the ...
Deep Water Bay is a bay and residential area on the southern shore of Hong Kong Island in Hong Kong. The bay is surrounded by Shouson Hill, Brick Hill, Violet Hill and Middle Island. As per Forbes (July 2015), with 19 of the city's richest billionaires, it is reputed to be the "wealthiest neighborhood on earth". [1]
An electric motor is an electrical machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft. An electric generator is mechanically identical to ...
Linear motor. Free-body diagram of a U-channel synchronous linear motor. The view is perpendicular to the channel axis. The two coils at centre are mechanically connected, and are energized in "quadrature" (meaning a phase difference of 90° (π/2 radians) between the flux of the magnets and the flux of the coils).
Technology steadily improved during the 20th century, and more quickly with the advent of digital video . Deepfake technology has been developed by researchers at academic institutions beginning in the 1990s, and later by amateurs in online communities. [19] [20] More recently the methods have been adopted by industry.