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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 ...
Unlike conventional layered antiferromagnets, in which magnetic layers flip one by one and can disrupt the overall magnetic state, the newly studied material switches in an "interlayer-locked" manner.
Earth's magnetic field is generated by the churn of its liquid nickel-iron outer core, but it is not a constant feature.
A strange, glowing form of matter called dusty plasma turns out to be incredibly sensitive to magnetic fields. Researchers found that even weak fields can change how tiny particles grow, simply by ...