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Magnetic Field, represented by placing a piece of cardboard over the magnet and sprinkling iron fillings on the paper, gently tapping at the same time Stock Vector Image & Art - Alamy
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Ben Wood on X: "Having fun with @Apple #iPhone12Pro and magnetic field viewing paper. No question where the #MagSafe coil is located 🧲 Third picture is the front view and fourth one
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Amazon.com: Applied Magnets® Magnetic Viewing Film - Magnetic Field Display Film 6" x 3" - Cool ! : Toys & Games
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