Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site x.UUCP Path: utzoo!watmath!clyde!bonnie!akgua!whuxlm!whuxl!houxm!mhuxt!mhuxr!ulysses!allegra!mit-eddie!cybvax0!frog!x!john From: john@x.UUCP (John Woods) Newsgroups: net.rumor,net.chess,net.arch Subject: Re: Ballistic transistors, the Belle II chess machine, & Seymour Cray Message-ID: <434@x.UUCP> Date: Sat, 16-Mar-85 16:46:29 EST Article-I.D.: x.434 Posted: Sat Mar 16 16:46:29 1985 Date-Received: Mon, 18-Mar-85 07:02:22 EST References: <862@ames.UUCP> <340@mhuxm.UUCP> <1729@hplabs.UUCP> <9255@brl-tgr.ARPA> Organization: Charles River Data Systems, Framingham MA Lines: 14 Xref: watmath net.rumor:692 net.chess:823 net.arch:997 > > > > Of course, the ballistic gate speeds (100 femtosecond range) ... > > > about 10 picoseconds delay per gate ... > > Nope. Try Josephson junctions. Gate delays less than 10ps ... > "About 10ps" is compatible with that and both are far from 100fs. > IBM was working on Josephson junctions when I was a youngster. > What is the holdup? Didn't you hear? They filled their NSA contract shipments, and tore down the assembly line... -- John Woods, Charles River Data Systems, Framingham MA, (617) 626-1101 ...!decvax!frog!john, ...!mit-eddie!jfw, jfw%mit-ccc@MIT-XX.ARPA Campus Crusade for Cthulu -- It Found Me!