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Nuclear radiation penetration

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BBC - GCSE Bitesize: Types of radiation Internally, low energy beta radiation is as damaging as high energy, because the damage is done as the radiation slows down. Ghost town thanks to one mistake Pictures Chernobyl animal mutations: However, this is not yet accepted by national or international radiation protection bodies as sufficiently well-proven to be taken into official standards. Examples of highly poisonous alpha-emitters are all isotopes of radium , radon , and polonium , due to the amount of decay that occur in these short half-life materials. The report also links the accident to an increase in thyroid cancer in children: There is a big difference between what is desirable in the normal planned operation of any plant, and what is tolerable for dealing with the effects of an accident.
Added: 22.04.2010 View: 299 Duration: 18:29
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