Halbach array

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Notion

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Science and technology

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What Wikipedia says

A Halbach array (German: [ˈhalbax]) is a special arrangement of permanent magnets that augments the magnetic field on one side of the array while cancelling the field to near zero on the other side. This is achieved by having a spatially rotating pattern of magnetisation.

Excerpt from the Wikipedia article “Halbach array”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Teapeat, CC BY-SA 3.0, via Wikimedia Commons.