National High Magnetic Field Laboratory
Magnet Academy: Right and Left Hand Rules
No fancy movement in this tutorial, but these rules come in very handy when trying to understand some of what's going on in our other tutorials.
National High Magnetic Field Laboratory
Magnet Academy: Magnetometer 1832
The Earth, the moon, the stars and just about everything in between has a magnetic field, and scientists use magnetometers when they need to know the strength of those fields.