As the arm spins inside the enclosure, the magnetic fields from the magnet couple with the stir bar inside the mixture, allowing it to spin without any mechanical link to the stirring device and ...

And while we’re pretty sure that [Retsetman] didn’t invent it after hitting his head on the toilet, this magnetic gearbox ... is a rotor with four pairs of bar magnets on its outer circumference.

But a renovation to add more cabinets or build a pantry isn’t practical for most people — so a clever new solution has cropped up online: magnetic ... yet game-changing hack that frees ...