MSNBCW The Rachel Maddow Show January 3, 2017 05:00:00
And it starts with copper, the mineral copper. Theres copper in brass. Theres copper in bronze. The Statue Of Liberty is sheathed in a layer of copper. Thats about the thickness of two pennies. Pennies themselves used to be copper, but now theyre just coppercovered zinc, which sort of seems sad. It makes financial sense, because copper over time became too valuable to use in something as cheap as a penny, because most of what we use copper for now is conducting electricity. We use copper for wiring. There is a massive global appetite for copper. And the Worlds Largest producer of copper is an ...
Source: archive.org
