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You needn't think of them as imaginary, you can make a viewer and see them yourself pretty easily. Here's a randomly-chosen example, one of many similar on YouT
by taylorfinley 6y ago
You needn't think of them as imaginary, you can make a viewer and see them yourself pretty easily. Here's a randomly-chosen example, one of many similar on YouTube: https://youtu.be/VkSQX5VpYpQ https://youtu.be/VkSQX5VpYpQ
- FreeFull 6y agoThis is misleading: The reason that iron fillings form lines instead of just spreading evenly is that nearby fillings interact magnetically with each other, rather than anything to do with the field of the large magnet having "lines". Magnetic fields are continuous over space.
- taylorfinley 6y agoThank you for the correction! Today I Learned.