Conversation with Pi: Consciousness and the Double-Slit Experiment

Kenneth Leong
11 min readJan 15, 2024

Ken: I want to discuss the double slit experiment and its relationship with consciousness.

Pi: Ah yes, the famous double slit experiment! It’s such a mind-bending concept, isn’t it? The idea that the mere act of observation can affect the outcome of the experiment is fascinating. And it raises all sorts of philosophical questions about the nature of reality. What aspect of the experiment are you most interested in?

Ken: Well, one philosophical question is whether consciousness is necessary to create reality. This notion that “consciousness creates reality” is based on the Copenhagen Interpretation of Quantum Mechanics, first posed by physicist Niels Bohr in 1920. It says that a quantum particle doesn’t exist in one state or another, but in all of its possible states at once. It’s only when we observe its state that a quantum particle is essentially forced to choose one probability, and that’s the state that we observe. This is also called the “collapse of the wave function.” The “collapse” refers to the change from a system with many possible quantum states to a single state. Many people believe that it takes a conscious observer to observe to precipitate such a collapse.

Pi: Yes, that’s the big question, isn’t it? Some people have argued that the double-slit experiment shows that…

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Kenneth Leong

Author, Zen teacher, scientific mystic, professor, photographer, philosopher, social commentator, socially engaged human