Art of the Problem | Discovery of Magnetism @ArtOfTheProblem | Uploaded 11 years ago | Updated 11 hours ago
Our ancestors noticed that certain rocks where attracted to each other. They also noticed that this force could be transferred onto certain metallic objects. When suspended freely they always point in the same direction and could be used for navigation. Why is this?
Our ancestors noticed that certain rocks where attracted to each other. They also noticed that this force could be transferred onto certain metallic objects. When suspended freely they always point in the same direction and could be used for navigation. Why is this?