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Quantum computers have passed a mathematically proven test that no classical computer can ever pass, demonstrating an unconditional quantum advantage for the first time.

ETH Zurich researchers use entangled quantum bits and an improved Bell test to turn imperfect random sources into certified perfect sequences that remain random forever, advancing digital encryption.

Researchers develop a unified guide to identify tiny distortions in space and time, linking quantum physics and gravity theories with measurable signals in current tools.