JOEL WILLIAMS, ASSOCIATE EDITOR [email protected]AMSTERDAM, June 3, 2021 — A laser experiment conducted by scientists at AMOLF (part of the Netherlands Organisation for Scientific Research) has enhanced understanding of the role of memory in stochastic resonance. Stochastic resonance describes the phenomenon in which a signal is amplified with an optimum amount of noise; to explain it in an analogy, consider a task that requires a great deal of attention. The task may be more difficult when there is a loud conversation nearby. However with complete silence, it may also be difficult to concentrate. 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