magnetic tube of force
71Eddy current — This article is about the electrical phenomenon. For the Ted McKeever comic, see Eddy Current (comics). Electromagnetism …
72List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
73Magnetosphere of Jupiter — Discovery[1] Discovered by …
74Pressure 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… …
75Naval mine — Polish wz. 08/39 contact mine. The protuberances around the top of the mine, called Hertz horns, are part of the detonation mechanism …
76Pinch (plasma physics) — For other uses, see Pinch (disambiguation). Lightning bolts illustrating electromagnetically pinched plasma filaments …
77Memristor — Type Passive Working principle Memristance Invented Leon Chua (1971) First production HP Labs (2008) Electronic symbol …
78Nanopolymers — The word nano is derived from the Greek word for “dwarf”. It is the prefix for units of 10 9. In a nutshell, nanoscience is the study of the extremely tiny. Nanoscience is concerned with the study of the unique properties of matter at its nano… …
79printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… …
80Stellarator — A stellarator is a device used to confine a hot plasma with magnetic fields in order to sustain a controlled nuclear fusion reaction. The magnetic field necessary to confine the plasma is generated completely by external coils. It was invented by …
