This Week's Guest:

ELIZA

Talk Universe - show for
Wednesday, April 19th 2017

The Issue with Metals

Metals are a foundation of our civilization. It is only natural, since they are a representation of material wealth, that we recycle them.

But some metals become more contaminated with each use, and this makes them unsuitable for many purposes.

Part 1



Part 2



Part 3



Part 4


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