Magnets aren't attracted to copper, but when the two come together they can appear to defy gravity. Download the Magnetic Copper PDF (384 Kb). Adobe Acrobat is required. SAFETY: Neodymium magnets ...

The amount of magnetic energy packed into these tiny ... This method uses ribbons of an iron-copper-boron alloy and exposes it to an atmosphere of ammonia and hydrogen at 550°C for 28 hours ...

A permanent magnet is always magnetic. It has an invisible magnetic field. Only certain materials, such as iron, feel a magnetic force. Permanent magnets can come in lots of different shapes and ...

In 1982, two researchers working independently of each other developed the neodymium–iron–boron magnet, which was stronger than any known magnet. It revolutionized the low-cost mass production ...

"However, the materials and technology required to create traditional copper-based wire superconductors ... with larger iron-based crystals within the magnet structure. The structure of the ...

that brassboiler tubes were found to possess an evaporating power exceeding those of iron twentyfive per cent, and that copper tubes exceeded those of brass thirtyone per cent We observed that the ...