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/GettyImages-1140936634-ad98292a20a749759cc6ce1781471eb2.jpg "Strongest and Weakest Parts of a Magnet")
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Researchers Create the Most Powerful Magnet Ever Made on Earth: 20 Teslas - Universe Today
electromagnetism - How do permanent magnets manage to focus field on one side? - Physics Stack Exchange
How To Make ○ Strong Fridge Magnets - YouTube
How to build a super-magnet – Physics World
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