Kim Xuan Cao 🎩
@kimxuancao
A superconductor is a material that achieves superconductivity, which is a state of matter that has no electrical resistance and does not allow magnetic fields to penetrate. An electric current in a superconductor can persist indefinitely. Superconductivity can only typically be achieved at very cold temperatures.
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Rachel
@msrachel
😂❤️🔥 Gee! Our relationship has stood the test of time and all difficulties.
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