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Quantum foundations: towards a coherent view of physical reality

03 Sep 2025

Part of our International Year of Quantum Science and Technology coverage

Ana María Cetto and Luis de la Peña say that as quantum science advances, it is crucial not to lose sight of its conceptual foundations

Abstract visualization of two entangled particles connected by a glowing beam of light
Physical puzzles While quantum mechanics works impressively in practice, the theory remains conceptually opaque to many. (Courtesy: iStock/koto feja)
One hundred years after its birth, quantum mechanics remains one of the most powerful and successful

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