39 - Magnets

Published: Sept. 1, 2022, 4 p.m.

How do magnets stick to metals? Why isn't the Iron Throne magnetic? How can we use magnets to record and play sound, or levitate a frog?

Let's learn about one of the fundamental physical forces that glues the world together, by learning about how magnets work!

Bar magnet field lines
Iron filing experiment

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