Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!uunet!husc6!sri-unix!sri-spam!ames!sdcsvax!ucsdhub!hp-sdd!hplabs!hpcea!hpspdla!hpl-opus!jewett From: jewett@hpl-opus.HP.COM (Bob Jewett) Newsgroups: comp.misc Subject: Re: NSA's googol ad Message-ID: <62760001@hpl-opus.HP.COM> Date: Mon, 7-Dec-87 14:35:44 EST Article-I.D.: hpl-opus.62760001 Posted: Mon Dec 7 14:35:44 1987 Date-Received: Sun, 13-Dec-87 09:40:59 EST References: <458@gtx.com> Organization: HP Labs, Instrument Tech. Dept., Palo Alto, CA Lines: 8 > Do they have the technology to count at rate of 10^90 Hz? The fastest counter I know of was described by Clark Hamilton, et al. in IEEE Electron Device Letters, (EDL-3, 1982). It counted at 140GHz, or 1.4*10^11. The fastest counters that could be used with practical computing circuits count within a factor of 10 of 1GHz. Bob Jewett jewett@hplabs