degauss

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“
US DOD standards up until 2007 specified that seven rewrites was sufficient, they have now changed their position to requiring a degauss which as well as erasing the drive effectively renders it useless.

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Definitions (4)

Toggle American Heritage definitions American Heritage Dictionary (2)

  1. transitive verb To neutralize the magnetic field of (a ship, for example).
  2. transitive verb To erase information from (a magnetic disk or other storage device).

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Examples (5)

  • US DOD standards up until 2007 specified that seven rewrites was sufficient, they have now changed their position to requiring a degauss which as well as erasing the drive effectively renders it useless. —  Geekzone: IT, mobility, wireless and handheld news
  • Rodda speculated that more sophisticated gear using high frequencies to "degauss" a croc's magnetic sensors - a process similar to erasing a music tape - could be more effective, but said magnets also could do the job. —  PhysOrg.com - latest science and technology news stories
  • Computer monitors When you press "degauss" on your monitor, what does it do and how does it work? —  Answerbag: Latest Questions in Question Categories
  • Superconductors At War April 29, 2009: The U.S. Navy has developed a technique, using superconductors, to rapidly degauss the hull of a warship, and make is less detectable by naval mines that sense large metal objects. —  StrategyPage.com
  • This is where the degauss technology becomes useful, because a smart mine will often go off only if a certain type of ship (setting off a specified number of sensors in a specified way) passes overhead. —  StrategyPage.com
 

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