The basic principle of quantum mechanics is the [[uncertainty]] in the location of a subatomic particle until it is observed. This explains why the [[Second Law of Thermodynamics]] is always true, and why everyone declines with old age: disorder tends to overcome order in the physical world. Quantum mechanics explains the discrete nature of small-scale interactions, [[wave-particle duality]], the [[uncertainty principle]], [[quantum entanglement]], [[radioactive decay]], and [[chemical reaction]]s, and is used by all [[computer]]s and electronic devices today. Quantum mechanics explains the need for error-correction due to [[information entropy]], and why household circuit breakers properly trip without circuit malfunction. | The basic principle of quantum mechanics is the [[uncertainty]] in the location of a subatomic particle until it is observed. This explains why the [[Second Law of Thermodynamics]] is always true, and why everyone declines with old age: disorder tends to overcome order in the physical world. Quantum mechanics explains the discrete nature of small-scale interactions, [[wave-particle duality]], the [[uncertainty principle]], [[quantum entanglement]], [[radioactive decay]], and [[chemical reaction]]s, and is used by all [[computer]]s and electronic devices today. Quantum mechanics explains the need for error-correction due to [[information entropy]], and why household circuit breakers properly trip without circuit malfunction. |