Metals used in high-tech products face future supply risks

http://feeds.sciencedaily.com/~r/sciencedaily/~3/aVVv7o4jG3E/150327111816.htm

Researchers have assessed the ‘criticality’ of all 62 metals on the Periodic Table of Elements, providing key insights into which materials might become more difficult to find in the coming decades, which ones will exact the highest environmental costs — and which ones simply cannot be replaced as components of vital technologies.

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