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Acclaimed, widely-misunderstood physical principle, used by the media to make sci-fi statements about the nature of the universe and computation theory. Definition. Quantum superposition: 1. (Informal) If an object can be on two (or more) different states of nature, then it can be on several on them at the same time. Interacting with the object to measure its state will destroy such "wonderful" superposition. This amazing effect is only easy to observe in very small systems with current technology. 2. One of the coolest discoveries about Nature ever made. 3. A synonym used by some famous authority figures for ignorance. The last two due to complexity theorist Scott Aaronson. Confer Wikipedia for a more rigorous explanation.
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