Nanotechnology offers unprecedented possibilities for progress — defeating poverty, starvation, and disease, opening up outer space, and expanding human capacities. But it also brings unprecedented risks — the spectre of devastating wars fought with far more powerful weapons of
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“The principles of physics, as far as I can see, do not speak against the possibility of maneuvering things atom by atom. It is not an attempt to violate any laws; it is something, in principle, that can be done;
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