Master the right-hand rule in physics with this easy-to-follow tutorial! In this video, we explain how to use the right-hand rule correctly to determine directions of magnetic fields, currents, and ...

In the aftermath of another wave of antigovernment unrest, Iran is gripped by a mood of collective grief and uncertainty about the future. By Farnaz Fassihi and Leily Nikounazar Ms. Eden, 52, who was ...