> They've probably switched to homegrown motor drives now According to Wikipedia [1]: it was reported in 2006 that the tiny amount of material deposited in fin

> They've probably switched to homegrown motor drives now According to Wikipedia [1]: it was reported in 2006 that the tiny amount of material deposited in fingerprints on Iran's prototype centrifuges were enough to cause the machines to shatter. It's not like that's the kind of stuff anyone can build at home. [1] http://en.wikipedia.org/wiki/Zippe-type_centrifuge http://en.wikipedia.org/wiki/Zippe-type_centrifuge