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Top : Kids_and_Teens : School_Time : Science : Physics : Structure_and_Properties_of_Matter
  		• Fluids
    Sites:
  		• How Semiconductors Work: Information about the properties of these materials of key importance in electronics. Also covers its manufacture and its use in transistors and chips.
  		• Superconductors: A site featuring basic information such as how these materials work, types, uses, and links.
  		• The Superconductor Collection: Illustrates how superconductors appear under a microscope.
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