Learn how to find the current needed to deflect a compass needle in this step-by-step physics tutorial! Explore the principles of magnetic fields, current-carrying wires, and the interaction with a ...

Some bacterial species possess an astonishing ability: They use Earth's magnetic field to orient themselves. To better understand this mechanism, the team led by Argovia-Professor Martino Poggio from ...

Scientists have long seen a puzzling pattern in tokamaks, the doughnut-shaped machines that could one day reliably generate electricity from fusing atoms. When plasma particles escape the core of the ...