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Re: Thanks Obama

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On 4/21/2016 11:34 AM, Peter Flass wrote:
> 3899jk <3899jk@gmail.com> wrote:
>>
>>
>> "Peter Flass" <peter_flass@yahoo.com> wrote in message
>> news:1367209542.482440737.837290.peter_flass-yahoo.com@news.eternal-september.org...
>>> <mausg@mail.com> wrote:
>>>> On 2016-04-14, Alan Bowler <atbowler@thinkage.ca> wrote:
>>>>> On 2016-01-20 5:40 PM, Charlie Gibbs wrote:
>>>>>>
>>>>>> Maybe the F-35 is an upgrade of the A-10, which fired slugs made of
>>>>>> depleted uranium.  It's the mass that counts...
>>>>>
>>>>> It is not just the high mass of the U-238 slugs,
>>>>> they ignite and burn when they hist things like tanks.
>>>>
>>>> AFAIK, it is forbidden to fire depleted uranium in the US.
>>>> Special ranges are used.
>>>
>>> Uranium metal is poisonous (AFAIK).
>>
>> No more than lead.
>> https://en.wikipedia.org/wiki/Uranium#Human_exposure
>>
>>> I'm not sure how much radioactivity it has.
>>
>> Its only weakly radioactive
>> https://en.wikipedia.org/wiki/Uranium
>
> I thought there were some complaints the our use of depleted Uranium shells
> had littered Iraq with hazardous substances.  Of course, some people will
> complain about anything.

Well, just like lead you don't want to inhale or ingest U238.  Its 
radioactivity is really a non-issue.  With a halflife of 4.5E9 years if 
U238 were any less radioactive it wouldn't be radioactive at all.

Now U does decay down to some bad things like radon and its daughters. 
So there is that.

-- 
Dean

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Re: Thanks Obama Alan Bowler <atbowler@thinkage.ca> - 2016-04-14 17:39 -0400
  Re: Thanks Obama Dan Espen <despen@verizon.net> - 2016-04-14 20:29 -0400
    Re: Thanks Obama Anne & Lynn Wheeler <lynn@garlic.com> - 2016-04-14 18:55 -0700
    Re: Thanks Obama Peter Flass <peter_flass@yahoo.com> - 2016-04-15 09:23 -0400
    Re: Thanks Obama Walter Bushell <proto@panix.com> - 2016-04-17 10:53 -0400
  Re: Thanks Obama mausg@mail.com - 2016-04-15 16:34 +0000
    Re: Thanks Obama Peter Flass <peter_flass@yahoo.com> - 2016-04-15 15:24 -0400
      Re: Thanks Obama "3899jk" <3899jk@gmail.com> - 2016-04-21 20:30 +1000
        Re: Thanks Obama Peter Flass <peter_flass@yahoo.com> - 2016-04-21 12:34 -0400
          Re: Thanks Obama Dean Worrell <Xworrelldk@XameritechX.net> - 2016-04-21 12:46 -0500
            Re: Thanks Obama Walter Bushell <proto@panix.com> - 2016-04-22 11:13 -0400
          Re: Thanks Obama Dave Garland <dave.garland@wizinfo.com> - 2016-04-21 13:59 -0500

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