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[Full-Disclosure] Re: erase with magnet



Maarten <fulldisc@xxxxxxxxxxxx> 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@xxxxxxxx
MIT VI-2 M.Eng

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