Ancient workers used molten iron to repair Pompeii's streets before the historic and devastating eruption of Mount Vesuvius in A.D. 79, a team of archaeologists has discovered.

SAN FRANCISCO -- Slag left over from Iron Age copper smelting shows the Earth's magnetic field was stronger and more variable than scientists ever imagined.

The artists skim slag, containing impurities or other debris, off the surface of the hot iron before pouring it into molds Friday, Apr. 25, 2014 at the Regis Center for Art at the University of ...

The molten iron is tapped from the bottom of the furnace and transported to the steelmaking plant. The removed and cooled slag and can be used in construction, in building roads or other applications.

Czech photographer Viktor Macha is determined to capture "the beauty of steel and iron making" before automation takes over and the sight of men working in the glow of molten metal is lost forever.

Through Kohler's Arts/Industry program, Milwaukee artist Nirmal Raja worked with molten iron and brass to make sculptures reflecting lives of women.

So-called flash ironmaking relies on the injection of a fine iron ore powder into a superheated furnace, with the reduction happening explosively and delivering a constant stream of molten iron.

That molten pig iron is then poured into a furnace and high pressure air is introduced via a water-cooled lance. The oxygen chemically reacts with the molten iron to purge impurities — as well ...

Don Young still vividly recalls the day 25 years ago when he rode the Philadelphia Bethlehem & New England Railroad engine to take molten iron from Bethlehem Steel’s final operating blast… ...

Ancient workers used molten iron to repair Pompeii's streets before the historic and devastating eruption of Mount Vesuvius in A.D. 79, a team of archaeologists has discovered.

Ancient workers used molten iron to repair Pompeii's streets before the historic and devastating eruption of Mount Vesuvius in A.D. 79, a team of archaeologists has discovered.