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Quantum systems can remember and forget at the same time, scientists discover

Summary by Science Daily
Quantum systems can secretly “remember” their past—even when they appear not to. Scientists found that whether a system shows memory depends on how you look at it: through its evolving state or its measurable properties. Each perspective uncovers different kinds of memory, meaning a system can seem memoryless and memory-filled at the same time. This discovery could change how researchers design and control quantum technologies.

2 Articles

Researchers at the University of Turku in Finland have discovered that quantum systems can exhibit memory characteristics in unexpected ways. The research reveals that how a quantum system is observed can determine whether it appears to have memory or not. This finding could transform our understanding of quantum dynamics and its technological applications. Discovery about memory in quantum systems The international team of scientists revisited …

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Science Daily broke the news in United States on Tuesday, April 14, 2026.
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