solenoids
41Superconducting magnetic energy storage — (SMES) systems store energy in the magnetic field created by the flow of direct current in a superconducting coil which has been cryogenically cooled to a temperature below its superconducting critical temperature. A typical SMES system includes… …
42Wire wrap — This article deals with electronics manufacturing and prototyping techniques, see Wire wrap jewellery for the jewellery related topic Wire wrap is a technique for constructing small numbers of complex electronics assemblies. It is an alternative… …
43Arc lamp — The electric arc in an arc lamp consists of gas which is initially ionized by a voltage and is therefore electrically conductive. To start an arc lamp, usually a very high voltage is needed to ignite or strike the arc. This requires an electrical …
44Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …
45Eudaemons — For Eudaemons in mythology, see Daemon. The Eudaemons were a small group headed by graduate physics students J. Doyne Farmer and Norman Packard at the University of California Santa Cruz in the late 1970s. The group s immediate objective was to… …
46Music sequencer — Contents 1 Modern sequencers 2 Software sequencers / DAWs with sequencing features 2.1 …
47Player piano — The player piano is a self playing piano, containing a pneumatic mechanism that plays on the piano action pre programmed music via perforated paper rolls. The rise of the player piano grew with the rise of the mass produced piano in the house and …
48Poppet valve — A poppet valve is a valve consisting of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The shaft guides the plug portion by sliding through a valve guide. In most… …
49Supermarionation — (a blend of super , marionette and animation ) is a puppetry technique devised in the 1960s by British production company AP Films. It was used extensively in the company s numerous Gerry and Sylvia Anderson produced action adventure series, the… …
50Gerry Anderson — MBE, born birth date and age|1929|04|14, is a British producer, director and writer, famous for his futuristic television programmes, particularly those involving specially modified marionettes, a process called Supermarionation . His first… …
