From owner-freebsd-hackers@FreeBSD.ORG Tue Aug 23 13:37:53 2005 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4C71B16A420 for ; Tue, 23 Aug 2005 13:37:53 +0000 (GMT) (envelope-from borjamar@sarenet.es) Received: from sollube.sarenet.es (mx1.sarenet.es [194.30.0.37]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6D26843D48 for ; Tue, 23 Aug 2005 13:37:51 +0000 (GMT) (envelope-from borjamar@sarenet.es) Received: from [127.0.0.1] (borja.sarenet.es [192.148.167.77]) by sollube.sarenet.es (Postfix) with ESMTP id 639301272; Tue, 23 Aug 2005 15:37:50 +0200 (CEST) In-Reply-To: <200508232155.02444.doconnor@gsoft.com.au> References: <200508221720.j7MHKpNb022773@peedub.jennejohn.org> <430B11B0.20702@pacific.net.sg> <200508232155.02444.doconnor@gsoft.com.au> Mime-Version: 1.0 (Apple Message framework v734) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <34E57F6C-EDF8-4E51-86AC-863109217B85@sarenet.es> Content-Transfer-Encoding: 7bit From: Borja Marcos Date: Tue, 23 Aug 2005 15:37:49 +0200 To: "Daniel O'Connor" X-Mailer: Apple Mail (2.734) Cc: Gary Jennejohn , freebsd-hackers@freebsd.org Subject: Re: IBM Active Protection System Approach X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Aug 2005 13:37:53 -0000 > mmm.. There is a static 1G force on the laptop while it is on your > desk. When > it falls it goes to 0G as it is in free fall. > > Still.. "delta G == park laptop heads" :) It's not a "force meter", but an acelerometer. It measures acceleration. If the computer is sitting on your desk, as it has already been said, it detects nothing. When falling, the acceleration is 1 G, ie, 9.8 m/s^2 Borja.