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单词 grey goo
释义

> as lemmas

grey goo
grey goo n. (in a hypothetical scenario) the notional substance which would be all that remains after the consumption of all matter on earth by self-replicating nanobots; the scenario positing such a process and result.
ΚΠ
1986 K. E. Drexler Engines of Creation xi. 172 Among the cognoscenti of nanotechnology, this threat has become known as the ‘gray goo problem’. Though masses of uncontrolled replicators need not be gray or gooey, the term ‘gray goo’ emphasizes that replicators able to obliterate life might be less inspiring than a single species of crabgrass.
1996 Times Higher Educ. Suppl. (Nexis) 16 Feb. 15 A..grey goo calamity might one day be caused by nanotechnology.
2003 Nature 23 Jan. 299/2 Nanotech would not be subjected to suspicious scrutiny at all were it not for the enduring but outdated image of grey goo.
2009 New Yorker (Nexis) 28 Sept. 56 Prince Charles..has foreseen a world reduced to gray goo by avaricious and out-of-control technology.
extracted from greygrayadj.n.
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