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To:
fanfan
Nowhere in the article does it mention the half life of radioactive Tritium.
41
posted on
02/15/2009 10:13:21 AM PST
by
glorgau
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To:
glorgau
4500 ± 8 days half-life of Tritium. It is in widespread use other than in exit signs...
45
posted on
02/15/2009 10:19:36 AM PST
by
ExSES
(the "bottom-line")
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