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.
SciShow
SciShow Quiz Show: Writer vs. Creator
Watch SciShow Creator Hank Green battle brains with SciShow Writer Ceri Riley.
MinutePhysics
How to Destroy a Magnet
Magnets are amazingly strong... but there's a very easy way to destroy them. All you need to know is a little bit about ferromagnetism, paramagnetism, and temperature!
Science Buddies
How Does an Electromagnet Work?
You may be familiar with permanent magnets—the kind that hang on a refrigerator. But did you know that other magnets, called electromagnets, can be turned on and off? When turned on, electromagnets act just like permanent magnets, but if...
Flipping Physics
Magnetic Fields - Review for AP Physics C: Electricity and Magnetism
AP Physics C: Electricity and Magnetism review of magnetic fields including: the basics of magnetic dipoles, ferromagnetic and paramagnetic materials, the Earth’s B field, magnetic permeability, the magnetic force on a moving charge, the...
Curated Video
How Hard Drive Data is Stored and Retrieved
In this video, we learn about the components and functions of a hard drive, a data storage device used in computers. The video explains how data is stored and retrieved and how it reads and writes data without physical contact. It also...
Getty Images
Demonstration of iron powder being sprinkled onto paper covering a bar magnet. The magnetic field induces magnetism in each of the particles of iron powder, which then line up in the field. Although the field is actually continuous, interactions between t
Demonstration of iron powder being sprinkled onto paper covering a bar magnet. The magnetic field induces magnetism in each of the particles of iron powder, which then line up in the field. Although the field is actually continuous,...
Learn Engineering
Learn Engineering: Electrical Transformer: How It Works?
A video explaining how a transformer delivers voltage at a different voltage than it receives from AC power. Learn about how electromagnetic induction is the basic working principle of the transformer. Video explores the basic...