If you’ve ever found yourself wondering how those tool magnetizer/demagnetizer gadgets worked, [Electromagnetic Videos] has produced a pretty succinct and informative video on the subject. The ...

We may earn a commission from links on this page. If you’ve ever opened up an appliance, you’re probably familiar with the frustration of screws and small parts rolling away or falling inside an ...

This article was originally published with the title “Demagnetizer, Induction Hardening, and more” in Scientific American Magazine Vol. 166 No. 4 (April 1942), p. 203 ...

We demonstrate how a magnetizer and demagnetizer work, showing when to use each function and why it’s useful for tools and ...