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How can they stack three magnets with the repelling side facing each other on all three magnets? Isn't one side repelling and the other attracting?
by truethrowa 8y ago
How can they stack three magnets with the repelling side facing each other on all three magnets? Isn't one side repelling and the other attracting?
- shagie 8y agoYou can do some interesting things with magnets. Consider the Halbach array ( https://en.wikipedia.org/wiki/Halbach_array https://en.wikipedia.org/wiki/Halbach_array ) often used for refrigerator magnets. That said, the 3 magnet configuration would be: NS - SN - NS From the article: > We added a third magnet, alternating which way the polarity faces with each magnet. Each magnet repels any adjacent magnets.