Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!uunet!husc6!bbn!oberon!cit-vax!ucla-cs!zen!ucbvax!ucdavis!iris!hildum From: hildum@iris.ucdavis.edu (Eric Hildum) Newsgroups: sci.crypt Subject: Re: Erasing magnetic media Message-ID: <456@ucdavis.ucdavis.edu> Date: Mon, 9-Nov-87 21:10:15 EST Article-I.D.: ucdavis.456 Posted: Mon Nov 9 21:10:15 1987 Date-Received: Thu, 12-Nov-87 05:37:24 EST References: <7566@reed.UUCP> <1175@cup.portal.com> <6964@pur-ee.UUCP> <1029@pbhyd.UUCP> <692@stride.Stride.COM> <581@bucket.UUCP> Sender: uucp@ucdavis.ucdavis.edu Reply-To: hildum@iris.UUCP (Eric Hildum) Organization: U.C. Davis - College of Engineering Lines: 7 I believe that the Curie point for most commonly used media is 200 Celsuis - which should be hot enough to destroy the mylar of tapes or floppies. As for hard disks, once it is no longer magnetic, you will have a hard time writing new data onto it, won't you? Eric