Deep space mine

Many resources essential to the technology on which we depend are dwindling or are increasingly inaccessible to certain nations for geopolitical reasons. A case in point is that several of the rare metallic elements that are needed to construct the components of modern electronic devices such as smartphones and tablet PCs, fuel cells, rechargeable batteries, photovoltaic systems, and other technology are by definition low in abundance.

from Phys.org - latest science and technology news stories https://ift.tt/2YqUSKb

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