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 ...

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 ...

Have you ever wondered how switchable magnets work? Not electromagnets, but those permanent magnet fixtures like the ones that hold dial indicators to machine tools, or the big, powerful chucks ...

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 ...