However, unlike a permanent magnet that needs no power, an electromagnet requires a continuous supply of current to maintain the magnetic field. The lifting electromagnet is in fact a portative ...

There's a magnet in a secure room in central Tokyo. It's an electromagnet, the kind that generates a magnetic field when electrical current flows through it. The last time the scientists who ...

This article was originally published with the title “ Powerful Electromagnet for the Use of Oculists ” in Scientific American Magazine Vol. 105 No. 26 (December 1911), p. 573 doi:10.1038 ...

Awarded by the U.S. Patent and Trademark Office on Tuesday, the patent for a "Dynamically stabilized magnetic array" describes how electromagnets could be used alongside permanent magnets to ...

A set of electromagnets has been used to move metal objects without touching them, even though the objects are not magnetic. This method could potentially be used like a ‘tractor beam’ to move ...

Discover how to create an electromagnet with ABC11 Science Club with BASF. Discover how to create a magnetic field with a few simple items in this video from ABC11 Science Club with BASF.