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Path: ...!3.eu.feeder.erje.net!feeder.erje.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Cursitor Doom <cd999666@notformail.com> Newsgroups: sci.electronics.design Subject: Re: Exploding pagers Date: Fri, 20 Sep 2024 16:57:47 -0000 (UTC) Organization: A noiseless patient Spider Lines: 63 Message-ID: <vck9ib$1664l$3@dont-email.me> References: <vcch5i$3klpd$1@dont-email.me> <rv0kejddm69cioik17oeujstlfig16jn4o@4ax.com> <vcdsep$crtb$1@solani.org> <vci3g0$mr65$5@dont-email.me> <1r06ful.14arqa7duhny6N%liz@poppyrecords.invalid.invalid> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Fri, 20 Sep 2024 18:57:48 +0200 (CEST) Injection-Info: dont-email.me; posting-host="2f7f70ff69d7f29046b387e916197af9"; logging-data="1251477"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+rKugKLyrsDps2Qey0DDawl2jdEX6LAA4=" User-Agent: Pan/0.149 (Bellevue; 4c157ba) Cancel-Lock: sha1:n61pgUbptSfMholNdK+YtK1Sx2Q= Bytes: 4041 On Fri, 20 Sep 2024 09:57:27 +0100, Liz Tuddenham wrote: > Cursitor Doom <cd999666@notformail.com> wrote: > >> On Wed, 18 Sep 2024 06:37:13 GMT, Jan Panteltje wrote: >> >> > On a sunny day (Tue, 17 Sep 2024 15:39:17 -0700) it happened john >> > larkin <jl@650pot.com> wrote in >> > <rv0kejddm69cioik17oeujstlfig16jn4o@4ax.com>: >> > >> >>On Tue, 17 Sep 2024 13:18:26 -0500, Crash Gordon <uucp@crashelex.com> >> >>wrote: >> >> >> >>>Pagers, even with a cheap LiPo battery that fails, do not explode. >> >>>Somebody built hundreds, maybe thousands, of intentionally >> >>>booby-trapped pagers and then managed to distribute them to a large >> >>>group of targeted individuals. >> >>> >> >>>This absolutely screams "state actor" but all of the states that >> >>>would be capable of pulling it off have disavowed any connection, as >> >>>would be expected. >> >>> >> >>>Posting is on-topic for s.e.d because these things had to be >> >>>*designed*. >> >>> Targets can be expected to cross security boundaries so these >> >>> pagers >> >>>had to look like normal pagers under X-ray, and had to not "smell" >> >>>like explosives. Putting aside, for sake of discussion, the horror >> >>>of the device itself and the evil necessary to conceive and deploy >> >>>it, one has to on some level, admire the skill required to manage >> >>>it. >> >> >> >>It's assumed that the Israelis booby-trapped the batch of pagers that >> >>were bought by Hezbollah. Fiendishly clever. >> >> >> >>I'm surprised that anybody still makes or uses pagers. >> > >> > They used batteries filled with an explosive that would trigger when >> > temperature rised above some point They could heat your smartphone >> > battery by hacking or even some sucking website or email. >> > So be carefull what batteries you use, same for the equipment you >> > make. Simple heat up test in safety chamber would be a good idea? >> >> Is there such an explosive? High explosives - as it appears were used >> here - generally need a significant *shock* to set them off. Heat alone >> isn't normally enough and even if it were, the temp required would have >> necessitated the rapid discarding of the pager before it got >> sufficiently hot. > > They aren't restricted to just a single type of explosive. There are > detonators that can be set off by a very small increase in temperature > and a few microgrammes of those would set off a bigger charge of > something more powerful. Well, maybe. But no one has yet *named* a practical explosive such as could be used in a pager which explodes when heated. I would like a specific named substance I can verify does that, because I simply cannot think of one and am consequently questioning whether one actually exists. > > Other interesting information in the book "Winston Churchill's Toyshop" > and that was the technology of 80 years ago.