magnetic gun
81List of eponyms (L-Z) — An eponym is a person (real or fictitious) whose name has become identified with a particular object or activity. NOTOC Here is a list of eponyms:A–K L M N–O P Q–R S T U–V W X–ZL* Rudolf Laban choreographer, created labanotation. * Ferruccio… …
82Naval Ordnance Laboratory — The Naval Ordnance Laboratory (NOL), now disestablished, formerly located in White Oak, Maryland was the site of considerable work that had practical impact upon world technology. The White Oak site of NOL has now been taken over by the Food and… …
83Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …
84Technology of the Song Dynasty — The Song Dynasty ( zh. 宋朝; 960–1279 CE) provided some of the most significant technological advances in Chinese history, many of which came from talented statesmen drafted by the government through imperial examinations.The ingenuity of advanced… …
85Magnet — This article is about objects and devices that produce magnetic fields. For a description of magnetic materials, see magnetism. For other uses, see Magnet (disambiguation) …
86Magnetism — This article is about magnetic materials. For information about objects and devices that produce a magnetic field, see magnet. For fields that magnets and currents produce, see magnetic field. For other uses, see magnetism (disambiguation).… …
87Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …
88Clamp (tool) — A clamp is a fastening device to hold or secure objects tightly together to prevent movement or separation through the application of inward pressure. In the United Kingdom and Australia, the term cramp is often used instead when the tool is for… …
89Plasma rifle — TOCrightPlasma rifles are theoretical weapons often used in science fiction. They are, in effect, a type of raygun. Plasma weapons use a small nuclear reactor or fuel cell or other type of advanced energy storage device to power an… …
90Sputter deposition — is a physical vapor deposition (PVD) method of depositing thin films by sputtering, that is ejecting, material from a target, that is source, which then deposits onto a substrate, such as a silicon wafer. Resputtering is re emission of the… …
