Lighting up a bulb using magnets... or not! 🤔🤣!!

At some point, you've probably heard the stern warning: Never put magnets near your electronics! It's advice so ingrained in tech culture that it feels like a law of physics. But is it true? Was it ...

Light beams of varying intensities (yellow cylinders) help visualize magnetic domains (light and dark areas), separated by domain walls (red lines). When something draws us in like a magnet, we take a ...