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Fan (machine) A typical electric fan. A table fan. Fans are used to force air into low and high bypass jet engines, seen here on a Boeing 777. A fan is a powered machine used to create a flow of air. A fan consists of a rotating arrangement of vanes or blades, generally made of wood, plastic, or metal, which act on the air.
Thermoelectric cooling uses the Peltier effect to create a heat flux at the junction of two different types of materials. A Peltier cooler, heater, or thermoelectric heat pump is a solid-state active heat pump which transfers heat from one side of the device to the other, with consumption of electrical energy , depending on the direction of the ...
Computer fan. A computer fan is any fan inside, or attached to, a computer case used for active cooling. Fans are used to draw cooler air into the case from the outside, expel warm air from inside and move air across a heat sink to cool a particular component. Both axial and sometimes centrifugal (blower/squirrel-cage) fans are used in computers.
Supervisory circuits are electronic circuits that monitor one or more parameters of systems such as power supplies and microprocessors which must be maintained within certain limits, and take appropriate action if a parameter goes out of bounds, creating an unacceptable or dangerous situation. Supervisory circuits are known by a variety of ...
Rep. Jasmine Crockett (D-Texas) on Thursday told ABC host Jimmy Kimmel that she’d “be hard-pressed to find someone dumber” in the House than Rep. Marjorie Taylor Greene (R-Ga.). Greene and ...
Hollywood has worked hard to shake off criticisms of nepotism within the industry—and while Oscar-winning actor Kevin Costner is aware that casting his 15-year-old son in an upcoming movie plays ...
Utah Tech began competing in NCAA Division II in the 2006–07 academic year (as Dixie State) after being a member of the National Junior College Athletic Association. From 1952 to 2009, as part of a general theme of Confederacy symbolism for the university, the school's nickname was the "Rebels", which was changed to the "Red Storm" in 2009 ...
Scientists from the Oak Ridge National Laboratory, a descendant of the original lab that discovered the element back in 1945, implemented a new process last year that allowed for the creation of a ...