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Quantum mechanics teaches us that vacuum is not empty, but rather it is teemed with fluctuations: their impact on the atomic scale was explored during the course of last century, but their effect on larger condensed-matter systems remained elusive. In a recent work published in Nature, our colleagues Josefine and Lorenzo have demonstrated how to exploit these fluctuations to improve the robustness of very fragile quantum states, advancing a novel way to manipulate quantum matter.