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The desire in molecular nanotechnology would be to balance molecular reactions in positionally-controlled locations and orientations to obtain desired chemical reactions, and then to build systems by further assembling the products of these reactions. More About Research. National Academy of Sciences, and has also been the focus of extensive debate on the internet and in the popular press. Master of Science. A grey goo is another catastrophic scenario, which was proposed by Eric Drexler in his book Engines of Creation , [30] has been analyzed by Freitas in "Some Limits to Global Ecophagy by Biovorous Nanoreplicators, with Public Policy Recommendations" [31] and has been a theme in mainstream media and fiction.
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