File this under “OMG this is so cool why didn’t I think of it?!”: a video of a superconducting magnet sailing up, down, and around a track shaped into a Möbius strip: I love this so so so much. It’s ...

Every once in a while, we all need a good reminder that electromagnetism is mind-boggling. Thankfully, in its latest video, the YouTube channel The Action Lab offers a stellar nod to the force of ...

The magnet floating device operates using a small Hall Effect sensor where the field of the permanent magnet can be detected or be able to modulate the magnetic field of electromagnet. The magnet ...

Every week I seem to be writing about how someone has used an Arduino to fashion an interesting gadget, and today's – while not as obviously useful as, say a Pong-playing wristwatch - is still ...

The country that invented the bullet train now has something much faster: the floating bullet train. It’s called a “maglev” train, for “magnetic levitation.” Instead of wheels: magnets. Instead of an ...

Magnets naturally levitate above superconductors. The magnet's magnetic field can't penetrate the superconductor, causing it to float almost magically above. See this phenomenon at work in an ...

When we were all little kids, our earliest “science is cool” discoveries usually revolve around magnets. After all, everyone had a magnet or two lying around their house. For that kid in us all, the ...

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Imagine two toroidal permanent magnets arranged such that one is floating above the other for year after year. Where is the energy that powers this effect coming from? A couple of months ago, I penned ...