From owner-freebsd-questions@FreeBSD.ORG Wed Feb 18 19:21:26 2015 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 7CA55213; Wed, 18 Feb 2015 19:21:26 +0000 (UTC) Received: from mail-qc0-x22b.google.com (mail-qc0-x22b.google.com [IPv6:2607:f8b0:400d:c01::22b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 34E87A3F; Wed, 18 Feb 2015 19:21:26 +0000 (UTC) Received: by mail-qc0-f171.google.com with SMTP id l6so2635745qcy.2; Wed, 18 Feb 2015 11:21:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=hTEgqt4mM9mkneGe+3mbF4JSqEi4Fd0PQ2dxGnFHg6I=; b=mL2vq3q7IN9GDqBlIl9vq8nzyC+1+LTDTkPhRu2ol7Ouw18Y2vfs64SFmitGzW3KBT HICFcOaMvngSxxNF6KQtpcA3l5CWgzumsUbdckaZUCAYrNgcz2wnwFO7CLlugyvRqAAc 9J3OqQc2b5Hits07BLkYc8ymNBEaZ51+D8Ia2islFhh/Nk5jGPRJJwGZ+3ewzy0w6j3H knHTtuoNU4By0mt5v1/dLmEwrKlSuc+01VY39Q9sDiWARP4Nr+pWasooez8Nn5/27UX6 RgHLEXr6rR6nmhVN7gKEcYUfRUaPLS+tczvkrXli5NArDBneEvE8nvvLjUbkPFntyPrj 7iGA== MIME-Version: 1.0 X-Received: by 10.140.44.134 with SMTP id g6mr2980017qga.85.1424287285269; Wed, 18 Feb 2015 11:21:25 -0800 (PST) Received: by 10.96.183.8 with HTTP; Wed, 18 Feb 2015 11:21:25 -0800 (PST) In-Reply-To: <54E4E2F0.8040208@FreeBSD.org> References: <54E39F83.70002@gmail.com> <20150218173047.GA53030@slackbox.erewhon.home> <54E4E2F0.8040208@FreeBSD.org> Date: Wed, 18 Feb 2015 11:21:25 -0800 Message-ID: Subject: Re: What's in my hard drive? How can I get rid of it? From: Kurt Buff To: Matthew Seaman Content-Type: text/plain; charset=UTF-8 Cc: "freebsd-questions@freebsd.org" X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Feb 2015 19:21:26 -0000 On Wed, Feb 18, 2015 at 11:07 AM, Matthew Seaman wrote: > On 18/02/2015 17:30, Roland Smith wrote: >> HF can definitely free you of all worries about harddrives. > > To be sure. It's skin permeable and has a high affinity for calcium, > which -- amongst other effects -- tends to perturb your heart rhythm. > Enough HF, and you'll never worry about harddrives again. > > If that doesn't kill you, then it will leach calcium out of your bones, > which causes the affected areas to swell up and turn comically rubbery > and results in weeks of agonizing pain. > > HF is also not that strong as an acid -- less so than common or garden > HCl. For this purpose however (dissolving lumps of technology), I'd go > with something that was also a strong oxidant viz. conc Nitric Acid. > > Cheers, > > Matthew Or aqua regia, perhaps. Unless you go the combustible route, with thermite. Kurt