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"Fairy Ring"

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Marlin:
This is probably too easy but here goes.

When you refer to the "Fairy Ring" at the Hiroshima blast site in reference to a controversial theory, what is the "Fairy Ring" and the theory?

I doubt it takes a week but I'll post the answer then if no one answers.

Melrose:
Because the biological balance of soils is stable, fungus growth is kept in check.  The disturbance/destabalization of the soil i.e. soil sterilization via a magnetic field (like microwaving the soil) induced by the blast set the stage for optimum fungus growth.

Fairy rings are arches or rings in a grass field, darker green, sometimes with the shrooms in the middle.  They get pretty huge and can weigh to a  ton  :o (the shroom ring)

BTW, shroom growers that use fields prep the soil by sterilization also.

Marlin:

--- Quote from: Melrose on Jan 30, 2007, 09:19 ---Because the biological balance of soils is stable, fungus growth is kept in check.  The disturbance/destabalization of the soil i.e. soil sterilization via a magnetic field (like microwaving the soil) induced by the blast set the stage for optimum fungus growth.

Fairy rings are arches or rings in a grass field, darker green, sometimes with the shrooms in the middle.  They get pretty huge and can weigh to a  ton  :o (the shroom ring)

BTW, shroom growers that use fields prep the soil by sterilization also.

--- End quote ---

That is the common definition of a "Fairy Ring" but that is not related to Hiroshima.  Since this is a trivia post here is a little about fungus.

What is probably the largest living organism on earth has been discovered in the Malheur National Forest in eastern Oregon. A fungus living three feet underground is estimated to cover 2,200 acres. After testing samples from various locations, scientists say it is all one organism.

Marlin:
I am surprised that there was not an answer to this one.


--- Quote from: Marlin on Jan 29, 2007, 03:12 ---When you refer to the "Fairy Ring" at the Hiroshima blast site in reference to a controversial theory, what is the "Fairy Ring" and the theory?

--- End quote ---

A lot of the data used to derive dose effects from radiation came from the Hiroshima and Nagasaki bombings. High levels of radiation gave clear dose and effect allowing the determination of the effects of radiation decreasing in each zone or ring of exposure producing lowering mortality rates from exposure to radiation. At the outer edge of these zones was a ring of exposure that was only slightly elevated over background. In this "Fairy Ring" the mortality rates were lower than normal not elevated. This is one of the facts used by supporters of "Radiation Hormesis" a theory not officially accepted but appears to be hinted at by the HPS ( http://hps.org/documents/risk_ps010-1.pdf ) by not stating that there is no direct correlation for the linear dose model below 5-10 rem exposure. This may be also explain the failure to close the radon health mines in the US ( http://www.radonmine.com/pdf/radonandhealth.pdf ).

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