SciShow
The 16 Most Asked Questions About Magnets
Magnets - how DO they work? We've got the answer for you, plus a bunch of weird fun magnet facts - where they got their names, why hitting some stuff with a hammer can turn it into magnets, and even why we feed magnets to cows, on purpose.
Visual Learning Systems
Electromagnetism and its Applications
In this video, we explore the fascinating discoveries of Hans Orsted in the mid 1800s regarding electricity and magnetism. We learn how electric current flowing through a wire produces a magnetic field and how the strength of this field...