Quantum physics is a well-established and highly successful theory that has been extensively tested and confirmed through numerous experiments. It has provided accurate predictions and explanations for a wide range of phenomena at the microscopic level, and its principles have been verified with remarkable precision.
That being said, quantum physics does have some counterintuitive aspects, such as wave-particle duality and entanglement, which can be challenging to reconcile with our classical understanding of the world. However, these counterintuitive features have been experimentally confirmed time and again, and the predictions of quantum theory have been validated with extraordinary accuracy.
The success of quantum physics lies in its ability to make predictions that align with experimental results. The theory is based on a mathematical framework that incorporates probabilistic calculations, and its predictions have consistently been confirmed by experimental observations. This convergence between theory and experiment is a fundamental aspect of the scientific method.
While some physicists may grapple with the philosophical and interpretational implications of quantum physics, the lack of "proof" in the conventional sense is not a significant concern within the scientific community. The focus is on the empirical evidence and the ability of the theory to explain and predict the behavior of the quantum world accurately.
It is worth noting that ongoing research in quantum physics aims to deepen our understanding of the theory and explore its limits. New experiments, theoretical models, and technological advancements are continually pushing the boundaries of our knowledge and refining our understanding of the quantum realm. This iterative process of scientific investigation is how scientific fields progress and evolve over time.