PSI
Greek alphabet. See Psi (letter).
- It has come to be a symbol for psychology-related topics, and has also been used as a shorthand for supposed psychic abilities or powers.
- See also PSI (pounds per square inch).
- Psi was also a character on the formerly popular game and television series, Pokémon.
- The lower-case letter ψ is used as the symbol for the wave function in quantum mechanics.
- Psi is also an open-source instant messenger. See Psi (software).
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