Energy innovation can take many forms, and the variety in energy research was on display at the summit. ARPA-E, part of the ...

creating iron oxide, more commonly known as rust. To begin its journey into steel, the ore is placed into blast furnaces where a type of coal known as coke is burned. Carbon monoxide from the ...

FOR a long time it has been well known to wire-drawers and other manufacturers, who free the iron or steel they are engaged in working from rust by cleaning it with sulphuric acid, that after this ...

President Trump imposed a 25 percent tariff on metal imports, sparking new global trade spats as he attempts to shield the U.S. economy from foreign competition. By Ana Swanson and Jeanna Smialek ...