Gaseous diffusion barriers are still impressively classified. I've only seen one photo of any—and they're Russian.pic.twitter.com/5Yerofp4tV
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@gbrumfiel They are basically pipes that UF6 are pushed through: http://www.globalsecurity.org/wmd/intro/images/diffusion.jpg …
@wellerstein Well.. that makes more sense. Good thing I'm not a proliferator. Wouldn't get very far.
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