[LAU] OT: metal, money, changes, bleg

jwm.art.net at gmail.com jwm.art.net at gmail.com
Mon Apr 4 06:49:58 UTC 2011


Hey patrick why don't you have a go yourself like this boy scout did ;-D
http://www.dangerouslaboratories.org/radscout.html

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-----Original Message-----
From: Patrick Shirkey <pshirkey at boosthardware.com>
Sender: linux-audio-user-bounces at lists.linuxaudio.org
Date: Mon, 04 Apr 2011 16:42:48 
To: <linux-audio-user at lists.linuxaudio.org>
Subject: Re: [LAU] OT: metal, money, changes, bleg

On 04/04/2011 04:14 PM, Erik de Castro Lopo wrote:
> Patrick Shirkey wrote:
>
>    
>> So just to make sure I am correct here... All nuclear weapons require an
>> assisted explosion?
>>      
> Yes, you need both high heat and high pressure to force the fissile
> material into the required chain reaction.
>
>    

So, just having enough Pu-239 in one location is definitely, 
categorically not going to be able to cause a nuclear explosion? Not 
even a little one that might cause a rapid escalation?


>> It's categorically impossible for Plutonium-239 to
>> become critical without assistance from an explosion of some other fuel
>> or high energy source?
>>
>> You don't have super heated Pu-239 actively being created in a semi
>> critical chain reaction. If it gets unstable there is not enough neutron
>> flux to make baby go boom.
>>      
> As explained here:
>
>      https://secure.wikimedia.org/wikipedia/en/wiki/Criticality_accident
>
>    

Gotta love wikipedia.  Instant truth just add complement set ;-)


> there have been a number of criticality accidents, but they always
> create so much heat that the fissile material expands and the conditions
> cease to be critical.
>
>    

So far so good, nuclear physics being of course entirely understood and 
modelled and no gaps exist is current knowledge of the fundamental 
processes involved :-)



-- 
Patrick Shirkey
Boost Hardware Ltd.

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