Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!utgpu!water!watmath!clyde!rutgers!husc6!think!ames!ucla-cs!sdcrdcf!burdvax!bigburd!andrews From: andrews@bigburd.UUCP Newsgroups: talk.bizarre,comp.misc Subject: Re: What the world needs now Message-ID: <3268@bigburd.PRC.Unisys.COM> Date: Tue, 9-Jun-87 16:25:35 EDT Article-I.D.: bigburd.3268 Posted: Tue Jun 9 16:25:35 1987 Date-Received: Sat, 13-Jun-87 07:51:03 EDT References: <1240@ssc-vax.UUCP> <631@mapper.UUCP> Sender: news@bigburd.PRC.Unisys.COM Organization: Unisys Corporation, Paoli Research Center; Paoli, PA Lines: 8 Keywords: It's so simple to program a computer to explode Xref: utgpu talk.bizarre:2018 comp.misc:618 Summary: walking disk drive An old hacker from CMU, I believe (or maybe MIT or maybe ...) told me about how they (whoever "They" are) had calculated the resonant frequency of a hard disk unit; once they knew the resonant frequency, it was a simple matter to program the disk heads to seek at the appropriate times. The end result was a disk drive that, after it started to vibrate much like a clotheswasher does when (as if to verify Dr. Heisenberg) all of the clothes work their way over to one side of the wash bin, "walked" its way across the computer room untill it pulled its own plug.