Iron ore describes any rock or mineral deposit that contains enough metallic iron to make extraction worthwhile. These rocks ...

For decades, cobalt has served as a benchmark ferromagnet. Its crystal structure and magnetic properties have been extensively documented. However, the new findings show that cobalt hosts a rich ...

A stream of compressed air does not look like a power source. In factories, it usually hisses through pipes, drives tools, then disappears as waste. But under the right conditions, that same airflow ...