This Ferrofluid Preform Display Cell is a fantastic way to demonstrate ferrofluid with students of any age. A ferrofluid is a liquid that becomes strongly magnetized in the presence of a magnetic field. The strong 5.5 inch plastic display cell is completely sealed and resistant to breakage. Use the cell with any strong magnet to demonstrate the incredible properties of this amazing liquid. Demonstrate lines of magnetic force or show how charged particles stream into a star. Available at [ Ссылка ]

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