the hard disk is covered with a thin coat of magnetic material
Useful english dictionary. 2012.
magnetised — v. make magnetic; mesmerize, attract in a strong manner as if with a magnet, spellbind (also magnetize) … English contemporary dictionary
Magnetometer — A magnetometer is a measuring instrument used to measure the strength or direction of a magnetic field either produced in the laboratory or existing in nature. Some countries such as the USA, Canada and Australia classify the more sensitive… … Wikipedia
Circulator — For other uses, see Circulator (disambiguation). A waveguide circulator used as an isolator by placing a matched load on port 3. The label on the permanent magnet indicates the direction of circulation A circulator is a passive non reciprocal… … Wikipedia
Magnetic deviation — Deviation table for steering compass on Dar Młodzieży Magnetic deviation is the error induced in a compass by local magnetic fields, which must be allowed for, along with magnetic declination, if accurate bearings are to be calculated. In… … Wikipedia
Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass … Wikipedia
Wire recording — A Peirce 55 B dictation wire recorder from 1945 … Wikipedia
Dense plasma focus — Plasma gun redirects here. For the science fiction weapon, see plasma weapon (fiction). A dense plasma focus (DPF) is a machine that produces, by electromagnetic acceleration and compression, a short lived plasma that is so hot and dense that it… … Wikipedia
Double layer (plasma) — This article is about the structure in plasma physics. For other uses, see Double layer. Saturnian aurora whose reddish colour is characteristic of ionized hydrogen plasma.[1] Powered by the Saturnian equivalent of (filamentary) Birkeland… … Wikipedia
Photomagnetism — The photomagnetic effect is the effect in which a material acquires (and in some cases loses) its ferromagnetic properties in response to light. The current model for this phenomenon is a light induced electron transfer, accompanied by the… … Wikipedia
Christopher Hutton — Christopher William Clayton Hutton (1893 – 1965), called Clutty and also known as Christopher Clayton Hutton,[1] was an intelligence officer who worked for MI9, a subsection of British Military Intelligence. In the Second World War, he was hired… … Wikipedia
