demagnetization
51Hard disk drive — Hard drive redirects here. For other uses, see Hard drive (disambiguation). Hard disk drive Mechanical interior of a modern hard disk drive Date invented 24 December 1954 [1] …
52Samarium — promethium ← samarium → europium ↑ Sm ↓ …
53Refrigeration — Commercial refrigeration Ice is used to refriger …
54Eel — laz . Also from the common Germanic are Middle Dutch ael , Old High German âl , Old Norse áll . Katz (1998) [J. Katz, How to be a Dragon in Indo European: Hittite illuyankas and its Linguistic and Cultural Congeners in Latin, Greek, and Germanic …
55Magnet — 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) …
56Tardigrade — Temporal range: Cretaceous–Recent[1] …
57Coldest temperature recorded on Earth — The coldest natural temperature ever recorded on Earth was −89 °C (−128°F) at the Russian Vostok Station in Antarctica July 21, 1983. [http://www.globe.gov/fsl/html/templ.cgi?archive atmos10271999 lang=en nav=6] Lower temperatures have been… …
58Lancaster University — Infobox University name = Lancaster University motto = Patet omnibus veritas ( Truth lies open to all ) established = 1964 type = Public city = Lancaster country = England, UK campus = staff = 2,250 head label = Visitor head = Her Majesty The… …
59Dilution refrigerator — Gas control system for a helium dilution refrigerator A dilution refrigerator is a cryogenic device first proposed by Heinz London. Its refrigeration process uses a mixture of two isotopes of helium: helium 3 and helium 4. When cooled below… …
60Alnico — is an acronymcite book title = The Insomniac s Dictionary edition = last = Hellweg first = Paul coauthors = year = 1986 publisher = Facts On File Publications id = 0 8160 1364 0 pages = 115] referring to alloys which are composed primarily of… …
