Magnetic materials are always made of metal, but not all metals are magnetic. Iron is magnetic, so any metal with iron in it will be attracted to a magnet. Steel contains iron, so a steel ...

These particles can be made of a wide variety of materials including metals, metal oxides, polymers, and dendrimers. Synthetic nanoparticles are used in a range of applications, such as in electronics ...

(Image: KAIST) By making the MOF from different metal atoms and organic linkers, researchers can create materials that selectively absorb specific gases into tailor-made pockets within the structure.

Raw materials to keep blast furnaces going ... insisted it was a "different world" when the decision was made to sell a British Steel site to a Chinese company. Harriet Baldwin, the shadow ...