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(NBC News)   Inside Japan's Fukushima Daiichi nuclear power plant two years after the earthquake and tsunami   (worldnews.nbcnews.com ) divider line
    More: Interesting, Fukushima, nuclear plant, Fukushima Daiichi, volatile organic compounds, volatile organic compound, radioactive iodine, medical waste, TEPCO  
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9574 clicks; posted to Main » on 08 Mar 2013 at 12:05 PM (3 years ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2013-03-08 12:38:18 PM  
2 votes:

dryknife: That stuff should be safe in only 9,998 years.

Except for the real bad stuff.

That might take a little longer.


It's actually the opposite.  The longer the halflife, the less radioactive something is, and the more/closer/longer you have to be exposed to it to really be harmed.

A gram of something with a half life of 1 minute is more dangerous than 500 kilograms of something with a half life of a year.  At least for that first minute...

So there's an awful lot of stuff out there where a policy of 'contain it for now, we'll do something more thorough in X amount of time' is actually a very valid strategy - For example, one of the problems during Chernobyl's disaster was the release of relatively large amounts of radioactive iodine.  With a half life of 8 days, it doesn't take much to be dangerous, but by the same token only 7.4% should remain after a month and it should pretty much be all gone(or at least in line with naturally created versions of it) within a year.
2013-03-08 12:08:03 PM  
1 vote:

Pichu0102: Wait, 2 years ago?


And then one day you find
Ten years have got behind you

/no one told me when to run
 
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