Examples: Electromagnets work by passing electricity through a ... Like poles repel (North-North or South-South). But why do magnets attract and repel each other? This force is due to tiny moving ...

There are a few more things [Andrea]’s app can do; by placing two magnets on an ‘arrow’ token, the app can detect the direction in which the arrow is pointing. It’s a very cool project ...

I was sent a magnetic guitar pick to review, so I reviewed it. Does it work? How? Why? What’s the physics of electric guitar ...

Maglev Storyline Summary Curriculum Driving Question: How can something invisible cause something to move? Unit Driving Questions: How do things float? How do magnets work? How does the Maglev train ...