As a possible alternative, [Resetman] is experimenting with magnetic 3D printed gearboxes ... and an intermediate ring known as a flux modulator, containing equally spaced pieces of ferromagnetic ...

This 4800dpi optical mouse doesn’t stick to my iPhone or Samsung Galaxy, and while it does lightly stick to fridges and the metal rings designed to use with third-party magnetic gear ...

Neuranics, an award-winning Scottish deep-tech semiconductor company pioneering the future of human-machine interaction ... Magnetoresistance (TMR) magnetic sensing technology.