The breadth of the expertise is: writing the worm, plus the domain knowledge of a nuclear engineer. Period. You could argue that the control software of those c

The breadth of the expertise is: writing the worm, plus the domain knowledge of a nuclear engineer. Period. You could argue that the control software of those centrifuges is as sophisticated as the worm, since in requires knowledge in two separate domains: writing software and nuclear engineering. Same goes for any ERP software, which requires the contribution of software experts and domain experts.