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From: Michael Powell <nightrecon@hotmail.com>
Subject: Re: What's in my hard drive? How can I get rid of it?
Date: Wed, 18 Feb 2015 00:51:39 -0500
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Daniel Feenberg wrote:

> 
> 
> On Tue, 17 Feb 2015, Michael Powell wrote:
> 
>> [snip]
>>
>> Remove the cover. Remove the platters. Smash all platters with large
>> sledge hammer until all pieces are fairly small. Melt material with
>> oxyacetylene welders torch. Repeat smashing with hammer. Soak for few
>> hours in hydrofluoric acid. Rinse and allow to dry. Grind material into a
>> fine particulate dust. Dispose of out the back of airplane while flying
>> or drop into convenient nearby volcano. That might be good enough.
>>
>> Send the electronic components to Kaspersky for analysis.
> 
> I did once investigate claims that overwritten sectors could be read by
> sophisticated instruments and posted my results at:
> 
>    http://www.nber.org/sys-admin/overwritten-data-gutmann.html
> 
> 
> In short - that is pure science fiction.
> 
> daniel feenberg

I'm autistic. I've always had a problem getting sarcasm right. Still working 
on it...

-Mike