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  • The letter i is the symbol for the square root of -1. In other words i = √-1. The symbol i often appears in the equations of(...) Read More
  • In ordinary English, "idealism" is contrasted with pragmatism. "Idealism" refers to the prioritizing of ideals. The meaning(...) Read More
  • An imaginary number is one that includes the square root of -1, written √(-1). While one might think that such a number(...) Read More
  • “Indeterminacy” or “quantum indeterminacy” refers to the uncertainty of results when measuring certain pairs of properties(...) Read More
  • The “Indeterminacy Principle” is another name for the Heisenberg Uncertainty Principle (HUP). See the Heisenberg Uncertainty(...) Read More
  • An interpretation of quantum mechanics describes the nature of reality in the quantum realm. Quantum mechanics is a set of(...) Read More
  • An ion is formed when an atom gains or loses an electron. An atom which has lost one or more electrons has a positive(...) Read More
  • To ionize is to convert a substance from atomic or molecular form to ions. An ion is a type of atom that has an imbalance(...) Read More
  • Isotopes are a special kind of atom. Atoms with the same number of protons but different numbers of neutrons are isotopes of(...) Read More