Date: 07 Dec 98 23:19:18 From: Geno Rice <firstname.lastname@example.org> Organization: Monmouth Internet References: 1 2 Followups: 1
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HatCat wrote: > Uranium does get used as a ballast weight and the 747 does use them. I > don't know if that's standard on all makes and models but, in any case, > the uranium used is "depleted uranium" which is not usually radioactive > above measurable normal background levels. If it retains residual > radioactivity, it would be of a very, very, low order. Depleted uranium is just as radioactive as regular uranium, it's just had the fissionable U235 removed. After all, if the U235 were significantly more radioactive that U238, it wouldn't exist in nature. And its radiation is measurable. This is not to say that it is very radioactive or dangerous. In fact, since uranium is the heaviest natural element and the world is 4 billion years old, no uranium would exist if it were highly radioactive; in fact uranium is not uncommon.