active shielding
1Shielding gas — Shielding gases are inert or semi inert gases that are commonly used in several welding processes, most notably gas metal arc welding and gas tungsten arc welding. Their purpose is to protect the weld area from atmospheric gases, such as oxygen,… …
2Active EMI reduction — refers to techniques such as spread spectrum clocking to reduce the effects of electromagnetic interference or EMI. It contrasts with passive techniques such as capacitors or shielding …
3Electromagnetic 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… …
4Magnetoencephalography — Diagnostics Patient undergoing an MEG MeSH …
5Space colonization — Artist Les Bossinas 1989 concept of Mars mission Space colonization (also called space settlement, space humanization, or space habitation) is the concept of permanent human habitation outside of Earth. Although hypothetical at the present time,… …
6Electronic anticoincidence — is a method (and its associated hardware) widely used to suppress unwanted, background events in high energy physics, experimental particle physics, gamma ray spectroscopy, gamma ray astronomy, experimental nuclear physics, and related fields. In …
7Oxford Instruments — plc Type Public limited company Industry Top level markets include research and academia, industry, energy, environment, security, health Founded 1959 Headquar …
8Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… …
9Ancient technology in Stargate — The Ancients (also known as Alterans and Lanteans ) are a fictional advanced race in the Stargate franchise, and are depicted as the precursor to modern day humans. Their most notable creation in Stargate mythology is the entire Stargate network …
10Electronic article surveillance — For the electronic version of a journal article, see electronic article. Electronic article surveillance (EAS) is a technological method for preventing shoplifting from retail stores or pilferage of books from libraries. Special tags are fixed to …
