video://www.youtube.com/watch?v=GawsyqOlvG8
Oh, check out this cool DIY on how to build an inexpensive Hall Effect Gaussmeter! If you don’t want to build one, you can always buy a gaussmeter here.
Have you ever wanted to find out how strong a magnet really was, or how the strength of the magnetic field varied as you changed the distance from the magnet or the temperature of the magnet, or how well a shield placed in front of the magnet worked? V