electrically variable coil
51List of automotive superlatives — This page lists of the automobile industry that is, the smallest, largest, fastest, lightest, best selling, and other such topics.In order to keep the entries relevant, the list (except for the Firsts section) will be limited to automobiles built …
52Harry DeArmond — (January 28, 1906 October 12, 1999) invented the first commercially available attachable guitar pickup in the mid 1930s. He established a working relationship with Horace Bud Rowe s company to manufacture and develop these items. The company was… …
53Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …
54Magnetic resonance imaging — MRI redirects here. For other meanings of MRI or Mri, see MRI (disambiguation). Magnetic resonance imaging Intervention Sagittal MR image of the knee ICD 10 PCS B?3?ZZZ …
55Electron microscope — Diagram of a transmission electron microscope A 197 …
56Naval mine — Polish wz. 08/39 contact mine. The protuberances around the top of the mine, called Hertz horns, are part of the detonation mechanism …
57Chiller — For other uses, see Chiller (disambiguation). York International water cooled chiller. A chiller is a machine that removes heat from a liquid via a vapor compression or absorption refrigeration cycle. This liquid can then be circulated through a… …
58The Energy Machine of Joseph Newman — Joseph Newman (inventor) redirects here. For other people called Joseph Newman, see Joseph Newman (disambiguation). Perpetual motion machine: The Energy Machine of Joseph Newman Diagram of a Newman Motor Disciplines physics …
59Ribbon microphone — Ribbon microphones are typically bidirectional, meaning they pick up sounds equally well from either side of the microphone. Principle of operation In the dynamic microphone, the diaphragm is attached to a light movable coil that generates a… …
60Management of atrial fibrillation — The main goals in the management of atrial fibrillation (AF) are to prevent temporary circulatory instability and to prevent stroke. Control of heart rate and rhythm are principally used to achieve the former, while anticoagulation may be… …
