Warnings about magnets and gadgets have been passed down like tech folklore, often without much explanation. The reality is more nuanced: some electronics are genuinely vulnerable to magnetic fields, ...

“Focused” magnet system consisting of two stacked rings, each with 16 FeNdB magnet cuboids (side length 20 mm). The inner diameter is 160 mm, and the magnetic field of 20 mT exhibits a homogeneity of ...