Eco-friendly rubber bricks

Scrap tires could gain a new purpose as ingredients for construction materials, thanks to research at Missouri University of Science and Technology, Rolla.

Copper Mining and Refining

How to turn 1% copper ore into 99.99% pure copper This video clip shows how 1% copper ore is melted and sulfur and other impurities are removed. The copper is cast into anodes of 90% purity then placed in an electrolytic reduction cell with cathodes. When an electric current is passed through the anode and […]