By Donald Simanek

The Penetrating Magnets Illusion

“Magnets are fascinating things, and they behave in unexpected ways. I will show you a little-known property of magnets, which actually allows them to pass through one another.”

image Back in 2004, I invented a physics toy using magnets, one I hadn’t seen described elsewhere. So I called it Simanek’s Penetrating Magnet Illusion. It obeys Newton’s laws, like the others, but why should Newton get all the credit?

This toy is inexpensive and absurdly easy to build. Find a dozen small, ...

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