Torque wrench: artist’s impression of the Casimir torque (purple streaks) acting on two solids (blue) against a background of quantum fluctuations (silver spikes). (Courtesy: Jeremy Munday) A very ...

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Ferromagnets are characterized by a magnetization that has long been used to store information. The magnetization is largely due to localized electron spins with their associated magnetic moments ...

Active matter: this microscope image shows part of a cluster of self-propelled particles, colour-coded according to their distance from the centre. (Courtesy: Jie Zhang, Ricard Alert, Jing Yan, Ned S ...

Editor’s Note, 10/31/25: For this latest update, we added three new tools. The Craftsman 1/2-Inch Drive Torque Wrench is long and ideal for torquing larger bolts and fasteners. The Precision ...