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From: info-mac@utcsrgv.UUCP (info-mac)
Newsgroups: ont.micro.mac
Subject: Warning: telephone trashes disks
Message-ID: <4428@utcsrgv.UUCP>
Date: Thu, 31-May-84 01:14:28 EDT
Article-I.D.: utcsrgv.4428
Posted: Thu May 31 01:14:28 1984
Date-Received: Thu, 31-May-84 14:06:40 EDT
Sender: peterr@utcsrgv.UUCP
Organization: CSRG, University of Toronto
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Date: Tue 29 May 84 04:20:00-PDT
From: Janet Coursey <uw-beaver!JVC@SU-SCORE.ARPA>
Subject: Warning: telephone trashes disks
To: info-mac@SUMEX-AIM.ARPA

Jaron Lanier told me, and an EE friend confirmed, that the electro-magnetic
field established by the ringing of a telephone bell is strong enough
to alter the data content of a disk (apple, hp, memorex, or other).
Disks have become unreadable due to this effect.  So if your phone
sits adjacent to your disk storage box, move one of them.     Janet
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