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Electromagnetic shielding — cages inside a disassembled mobile phone. Electromagnetic shielding is the process of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive and/or magnetic materials. Shielding is typically applied… … Wikipedia
Cable — For other uses, see Cable (disambiguation). 6 inch (15 cm) outside diameter, oil cooled cables, traversing the Grand Coulee Dam throughout. An example of a heavy cable for power transmission … Wikipedia
Magnetoencephalography — Diagnostics Patient undergoing an MEG MeSH … Wikipedia
Coaxial cable — RG 59 flexible coaxial cable composed of: A: outer plastic sheath B: woven copper shield C: inner dielectric insulator D: copper core Coaxial cable, or coax, has an inner conductor surrounded by a flexible, tubular insulating layer, surrounded by … Wikipedia
Radiation protection — Radiation protection, sometimes known as radiological protection, is the science of protecting people and the environment from the harmful effects of ionizing radiation, which includes both particle radiation and high energy electromagnetic… … Wikipedia
Gas tungsten arc welding — TIG welding of a bronze sculpture Gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG … Wikipedia
Wireless security — An example wireless router, that can implement wireless security features Wireless security is the prevention of unauthorized access or damage to computers using wireless networks. Many laptop computers have wireless cards pre installed. The… … Wikipedia
Fallout shelter — A sign pointing to an old fallout shelter in New York City. Nuclear weapons … Wikipedia
Copper wire and cable — Copper has been used in electric wiring since the invention of the electromagnet and the telegraph in the 1820s.[1][2] The invention of the telephone in 1876 proved to be another early boon for copper wire.[3] Today, despite competition from… … Wikipedia
Space suit — A space suit is a complex system of garments, equipment and environmental systems designed to keep a person alive and comfortable in the harsh environment of outer space. This applies to extra vehicular activity (EVA) outside spacecraft orbiting… … Wikipedia
Shielded cable — A shielded cable is an electrical cable of one or more insulated conductors enclosed by a common conductive layer. The shield may be composed of braided strands of copper (or other metal), a non braided spiral winding of copper tape, or a layer… … Wikipedia