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A grey goo robot would face a much harder task than merely replicating itself. It would also have to survive in the environment, move around, and convert what it finds into raw materials and power. This would require sophisticated chemistry. None of these functions would be part of a molecular manufacturing system. A grey goo robot would also require a relatively large computer to store and process the full blueprint of such a complex device. A nanobot or nanomachine missing any part of this functionality could not function as grey goo.

Grey goo eventually may become a concern requiring special policy. However, goo would be extremely difficult to design and build, and its replication would be inefficient. Worse and more imminent dangers may come from non-replicating nano-weaponry. Since there are numerous greater risks from molecular manufacturing that may happen almost immediately after the technology is developed, grey goo should not be a primary concern. Focusing on grey goo allows more urgent technology and security issues to remain unexplored

the same 45 nm

The E5000