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From: Cursitor Doom <cd999666@notformail.com>
Newsgroups: sci.electronics.design
Subject: Re: Exploding pagers
Date: Fri, 20 Sep 2024 16:59:39 -0000 (UTC)
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On Thu, 19 Sep 2024 23:51:38 +0200, Jeroen Belleman wrote:

> On 9/19/24 23:01, Cursitor Doom 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.
> 
> There are high explosives that can be set off by a feather and others
> that wouldn't go even when dropped down from a plane.
> 
> Jeroen Belleman

Yes, I know. But *name one* which could be used in a pager that explodes 
from raising its temperature.