Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!linus!philabs!cmcl2!seismo!rochester!bullwinkle!uw-beaver!tikal!sigma!bill From: bill@sigma.UUCP (William Swan) Newsgroups: net.politics,net.sci Subject: Re: Small Nuclear Bombs Message-ID: <717@sigma.UUCP> Date: Mon, 19-May-86 15:57:51 EDT Article-I.D.: sigma.717 Posted: Mon May 19 15:57:51 1986 Date-Received: Fri, 23-May-86 22:18:22 EDT References: <358@drutx.UUCP> <1063@whuxl.UUCP> <2384@jhunix.UUCP> Reply-To: bill@sigma.UUCP (William Swan) Lines: 16 Xref: linus net.politics:15388 net.sci:588 In article <3484@hplabsb.UUCP> bl@hplabsb.UUCP (Bruce T. Lowerre) writes: >>> I was talking to an ex-LLL physicist once who told me that there >>> is an isotope of Californium with a *very small* critical mass (a few >>> grams, I think it was). This opened the theoretical possibility of a >>> hand grenade sized nuclear weapon. >>Californium, isn't that one of those wonderful man-made elements whose shelf >>life can be measured in microseconds? No wonder it's "theoretically" possible. >Californium, symbol Cf, Atomic number 98, has the following isotopes: >[...] >In any case, hardly microseconds. Egad, what a letter bomb that'd make! :-) Seriously.. What kind of shielding would such a device require to handle it "safely" (reduce radiation levels to something approximating the levels in our Seattle rainwater)?? Could one still carry it?