Interactions between the magnetic dipoles of dysprosium atoms in an ultracold gas can produce a 'self-bound' droplet. This provides a useful isolated system for probing the quantum-mechanical properties of ultracold gases. See Letter p.259
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Laburthe-Tolra, B. A strange kind of liquid. Nature 539, 176–177 (2016). https://doi.org/10.1038/539176a
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DOI: https://doi.org/10.1038/539176a
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