Path: utzoo!attcan!uunet!cs.dal.ca!silvert
From: silvert@cs.dal.ca (Bill Silvert)
Newsgroups: comp.sys.laptops
Subject: Re: airport x-ray machines/laptops
Summary: Lead blocks X-rays, not magnetism
Message-ID: <1990Feb12.142107.25901@cs.dal.ca>
Date: 12 Feb 90 14:21:07 GMT
References: <6325@rice-chex.ai.mit.edu> <11910@frog.UUCP>
Sender: silvert@cs.dal.ca.UUCP (Bill Silvert)
Reply-To: bill@biomel.UUCP
Organization: Habitat Ecology Div., Bedford Inst. of Oceanography
Lines: 14

In article <11910@frog.UUCP> barr@frog.UUCP (Chris Barr) writes:
>> and unconcerned when I complained that they put my pack of floppy disks,
>> which contained a month's worth of work, on top of an X-ray machine
>
>Camera stores sell lead-lined(?) bags to protect high-speed film.
>They're reasonably large & would hold floppies, perhaps T1000-size laptops.

Lead will not shield disks from magnetic fields.  You need a more
conductive material.  I should think that aluminum foil might suffice.
-- 
Bill Silvert, Habitat Ecology Division.
Bedford Institute of Oceanography, Dartmouth, NS, Canada B2Y 4A2
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