As humans, our understanding of the physical world is based on observations, experiments, and the development of scientific theories that aim to explain those observations. While our current scientific understanding has been tremendously successful in describing and predicting phenomena at various scales, including the macroscopic and microscopic realms, it is always possible that our understanding is incomplete or that new discoveries could challenge our existing knowledge.
Quantum mechanics, in particular, describes the behavior of matter and energy at the smallest scales, and it is a departure from classical physics. It introduces concepts such as superposition, entanglement, and wave-particle duality, which can be counterintuitive compared to our everyday experiences.
However, the principles of quantum mechanics have been extensively tested and verified through numerous experiments and observations. Quantum theory has shown remarkable agreement with experimental results, supporting its validity as a scientific framework.
That being said, science is an ongoing process of exploration and discovery. As technology advances and new experiments are conducted, our understanding may evolve or be refined. It is always possible that future discoveries could reveal limitations or modifications to our current understanding of quantum mechanics or any other scientific theory.
Therefore, while we can never claim absolute certainty, our current understanding of quantum mechanics is supported by extensive experimental evidence and mathematical frameworks. It has consistently demonstrated its predictive power and usefulness in a wide range of applications.