full-disclosure - Re: erase with magnet

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Message-ID: <20040403201726.GA9387@positron.mit.edu>
From: rsw at jfet.org (Riad S. Wahby)
Subject: Re: erase with magnet

Maarten <fulldisc@...ratux.org> wrote:
> field gets exponentially weaker as the distance increases, you would need 

Nit picking: for e.g. a bar magnet it's inverse square, not
exponential.

-- 
Riad Wahby
rsw@...t.org
MIT VI-2 M.Eng