Learn the fundamentals of energy in an inductor and magnetic field density in this beginner-friendly physics tutorial! In this video, we break down key concepts, formulas, and examples to help you ...

Magnetic fields play an important—if sometimes underappreciated—part in planetary systems. Without a strong magnetic field, planets can end up as a barren wasteland like Mars, or they could indirectly ...

All celestial bodies—planets, suns, even entire galaxies—produce magnetic fields, affecting such cosmic processes as the solar wind, high-energy particle transport, and galaxy formation. Small-scale ...