Core memory, magnetized memory using tiny magnetic rings suspended on a grid of wires, is now more than five decades obsolete, yet it exerts a fascination for hardware hackers still. Not least ...

Magnetic stirrers are a core part of many chemistry labs ... it’s not too surprising that [Joey] would want one. He built his using 3D-printed parts rather than purchasing it.

permeability saturation core loss materials of construction Permeability is a measure of a material’s suitability as a path for a flux field. Saturation is the maximum magnetic induction at a given ...