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How to make screws stick to a screwdriver

Small screws disappear on the floor faster than you can blink–and the annoying search begins. However, there’s a simple trick that makes life easier for many DIY enthusiasts: A magnetic screwdriver ...
Abstract: Due to the high critical current density and isotropic properties of stacked-tape high-temperature superconducting (HTS) conductors, they become potential candidates for fusion magnets.
Abstract: For the efficient simulation and optimization of electrical machines, the soft magnetic behavior of core materials is typically represented by the magnetization curve rather than complex ...