Without the awaited export permit, Freeport will have to suspend operations, resulting in significant implications for overall operations and sales of mining products.
US-based researchers have developed a metallic gel that is highly electrically conductive and can be used to print three-dimensional solid objects at room temperature.
A new radar technique is able to provide a detailed characterization of the flow of solids in fluidized beds whose combustion helps convert biofuels into district heating and electricity.