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  1. That protons, neutrons, and other "elementary" particles are believed to be composed of quarks.
  2. The force holding neutrons, protons, and quarks together is the strong nuclear interaction.
  3. The meaning of the term "Big Bang" as an explanation of the origin of the universe.
  4. That diodes, transistors, and integrated circuits are produced from semiconductors.
  5. That superconductors have no electrical resistance below their critical temperature.





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