audio-frequency electromagnetic method
101Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
102DMX512 — A DMX splitter/buffer. It allows many devices that are controlled by DMX to be plugged into one controller, like a lighting console DMX512 (For Digital Multiplex with 512 pieces of information ) is a standard for digital communication networks… …
103Noise (electronics) — Electronic noise [1] is a random fluctuation in an electrical signal, a characteristic of all electronic circuits. Noise generated by electronic devices varies greatly, as it can be produced by several different effects. Thermal noise is… …
104Simulation — Simulator redirects here. For other uses, see Simulator (disambiguation). For other uses, see Simulation (disambiguation). Not to be confused with Stimulation. Wooden mechanical horse simulator during WWI. Simulation is the imitation of some real …
105Stealth aircraft — are aircraft that use stealth technology to make it harder to be detected by radar and other means than conventional aircraft by employing a combination of features to reduce visibility in the visual, audio, infrared and radio frequency (RF)… …
106Space elevator — A space elevator for Earth would consist of a cable anchored to the Earth s equator, reaching into space. By attaching a counterweight at the end (or by further extending the cable upward for the same purpose), the center of mass is kept well… …
107Time-domain reflectometer — A time domain reflectometer (TDR) is an electronic instrument used to characterize and locate faults in metallic cables (for example, twisted wire pairs, coaxial cables). The equivalent device for optical fiber is an optical time domain… …
108Remote control — For other uses, see Remote control (disambiguation). A television remote control unit (RCU) A remote control is a component of an electronics device, most commonly a television set, used for operating the television device wireless …
109Magnetic levitation — This article is about magnetic levitation. For trains based on this effect, see Maglev. For the Ruby interpreter, see MagLev (Ruby interpreter). Levitating pyrolytic carbon Magnetic levitation, maglev, or magnetic suspension is a method by which… …
110Tape head — For the album by King s X, see Tape Head. A tape head is a type of transducer used in tape recorders to convert electrical signals to magnetic fluctuations and vice versa. Contents 1 Principles of operation 1.1 Reversibility 1.2 Head g …
