In the most recent prototypes, a thick coil of copper wire is inside the first component, which is anchored to the seafloor.

在最新的样机中，第一个部件里安有一个粗铜丝绕的线圈，固定在海底。

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But in the bowels of a particular metropolitan area--where conduits are already becoming choked with thick copper wire--the human-hair-sized glass has almost immediate prospects.

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