Return-Path: Received: (qmail 13618 invoked from network); 8 Nov 2002 14:49:06 -0000 Received: from warrior.services.quay.plus.net (212.159.14.227) by mailstore with SMTP; 8 Nov 2002 14:49:06 -0000 Received: (qmail 22286 invoked from network); 8 Nov 2002 13:51:17 -0000 Received: from post.thorcom.com (193.82.116.70) by warrior.services.quay.plus.net with SMTP; 8 Nov 2002 13:51:17 -0000 X-SQ: A Received: from majordom by post.thorcom.com with local (Exim 4.10) id 18A9WT-0004Gj-00 for rsgb_lf_group-outgoing@blacksheep.org; Fri, 08 Nov 2002 13:50:09 +0000 Received: from [194.73.73.116] (helo=lutetium) by post.thorcom.com with esmtp (Exim 4.10) id 18A9WT-0004Ga-00 for rsgb_lf_group@blacksheep.org; Fri, 08 Nov 2002 13:50:09 +0000 Received: from host213-122-9-229.in-addr.btopenworld.com ([213.122.9.229] helo=jackie) by lutetium with smtp (Exim 3.22 #15) id 18A9WS-0000h7-00 for rsgb_lf_group@blacksheep.org; Fri, 08 Nov 2002 13:50:08 +0000 Message-ID: <003201c2872e$2e9bc100$e5097ad5@jackie> From: "Steve Thompson" To: rsgb_lf_group@blacksheep.org References: <7D653C9C42F5D411A27C00508BF8803DCB9CBB@mail.dstl.gov.uk> <001c01c28711$8b3b2c60$56947ad5@jackie> <002201c2871d$d8accd80$0504210a@c.scope> Date: Fri, 8 Nov 2002 13:53:12 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: Re: To Ponder over the weekend Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, hits=-0.3 required=5.0tests=QUOTED_EMAIL_TEXT,REFERENCES,SPAM_PHRASE_00_01, USER_AGENT_OEversion=2.42 Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group ----- Original Message ----- From: g6tmk To: Sent: 08 November 2002 11:53 Subject: LF: Re: Re: To Ponder over the weekend > It's easier to imagine work done in hauling out a thin piece of plastic from > between two charged plates rather than sucking out some liquid - does the > liquid oil stick between the plates like a strong surface tension ? > Hugh It might or might not, that's beyond my physics without digging out a textbook. Even if it doesn't, energy has to be expended in moving it. Steve > > > > > At a guess, the stored charge doesn't change, so the voltage will. Energy > > has to be put into the system to move the oil, therefore the stored energy > > can increase. > > > > Am I close? > > > > Steve > > > > > > > > > > >