A 1970s programmable calculator from Sharp approached the problem with magnetic strips on special cards, and since [Menadue] has one with no cards, he set about making his own. These cards are a ...

Here’s a great magnetic levitator build. [Scott Harden] dug up the link after seeing that awesome rotating globe this morning. This version hangs objects below an electromagnet but it has a ...

after a talk or in your client engagements? Then two, is there a shortcut, checklist, summary or cheat sheet you can create to answer this problem?” Slim says many lead magnets are too high ...