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Product Information Demonstrate the startling differences in the Meissner Effect and levitation capabilities of two superconductors — the advanced new bismuth-based superconducting material, and the older ytterbium-based material. The bismuth-based material creates some very visually striking displays. Includes: one 2.5 cm ytterbium-based material disk, one 2.5 cm bismuth-based material disk, two rare earth magnets, non-magnetic tweezers and a detailed instruction manual with safety information. Note: this kit requires, but does not include, liquid nitrogen, commonly sold by welder’s supply houses.  Tell a Friend about this item
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