Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!samsung!uakari.primate.wisc.edu!caesar.cs.montana.edu!milton!uw-beaver!zephyr.ens.tek.com!tektronix!sequent!cormack From: cormack@sequent.UUCP (Michael Cormack) Newsgroups: sci.electronics Subject: Re: Static worse for computer on the floor??? Message-ID: <30081@sequent.UUCP> Date: 23 Feb 90 04:09:19 GMT References: <3618@sage.cc.purdue.edu> Reply-To: cormack@sequent.UUCP (Michael Cormack) Organization: Sequent Computer Systems, Inc Lines: 29 Summary: Expires: Sender: Followup-To: Distribution: Keywords: In article <3618@sage.cc.purdue.edu> ssy@sage.cc.purdue.edu (Kyler Laird) writes: %I've recently been informed that I'd better get a Zenith 386-25 off the %floor or risk the perils of increased static buildup. % %Is this a crock? The case is metal. It's grounded. What's the difference %between it sitting on the floor soaking up static electricity (to ground) %and sitting on the desk getting a charge everytime someone brushes against %it? % %I'd love a reply so that I can, perhaps, reply intelligently to this. % %Thanks... % %--kyler I can think of one reason, how true it is I don't know because I've never actually tested it out with a static meter. When your shoes (especially nike's or reebok's) rub against the ground (or even better a rug), they build up a charge. This is called a triboelectric effect. Most people realize this by the ZAP they get from a door knob or equiv. What most people don't realize is that there is also an electric field associated with this charge and *that* is probably the reason why it's been suggested to move your tower. Like I said I don't know how true this is. I use a tower in the lab and me reebok's are right against it. I haven't lost any data yet. Hope that helps, mike