Turbulent pattern

August issue

This month we consider how to control turbulence with vortex rings, learn that interdependent networks can be created with superconductors, and reflect on how we name physical effects after people.

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  • Complex optics insight

    Disorder and mode interactions are often treated as sources of noise, but can shape the flow of light in interesting and useful ways. This Insight reviews the fundamental physics and broad applications of optics in disordered and multimodal media.

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  • Cells in a tissue layer arrange themselves in orientationally ordered structures. Now two types of liquid crystalline order have been shown to coexist, with nematic order dominating large length scales and hexatic order dominating small length scales.

    • Josep-Maria Armengol-Collado
    • Livio Nicola Carenza
    • Luca Giomi
    Letter
  • The boson peak refers to an excess in the phonon density of states seen in three-dimensional amorphous materials. Helium-atom scattering experiments have now revealed a boson peak in a two-dimensional material, too, at a frequency similar to that of the bulk material.

    • Martin Tømterud
    • Sabrina D. Eder
    • Bodil Holst
    Article
  • The high inelastic loss rate in gases of bosonic molecules has so far hindered the stabilization needed to reach quantum degeneracy. Now, an experiment using microwave shielding demonstrates a large reduction of losses for bosonic dipolar molecules.

    • Niccolò Bigagli
    • Claire Warner
    • Sebastian Will
    Article
    • The liquid-crystal-like order of cells in epithelial tissues aids rearrangements, but there is disagreement over the dominant liquid crystal phase. Now, a unified approach reveals that two distinct symmetries dominate at different scales.

      • Daniel Beller
      News & Views
    • Describing interdependencies and coupling between complex systems requires tools beyond what the framework of single networks offers. This Review covers recent developments in the study and modelling of multilayer networks.

      • Manlio De Domenico
      Review Article
    • The guiding of magnetic fields by soft ferromagnetic solids is well known and exploited in magnetic shielding applications. Now, ferroelectric nematic liquids are shown to analogously guide electric fields.

      • Alenka Mertelj
      News & Views
    • An experimental approach enables the observation of the microscopic details of the relaxation of a highly equilibrated glass back to the liquid phase in real time. This points to a scenario where devitrification proceeds via localized seeds separated by macroscopic length scales.

      • Federico Caporaletti
      News & Views
    • Chains of coupled superconducting islands known as Josephson junction arrays were predicted to be insulating at high impedance, but superconducting behaviour has been observed. A study of the arrays’ transport suggests thermal effects are responsible.

      • Dmitri V. Averin
      News & Views
Feynman diagrams that contribute to the production of the Higgs boson form the number ten.

The Higgs boson discovery turns ten

The discovery of the Higgs boson was announced ten years ago on the 4th of July 2012 — an event that substantially advanced our understanding of the origin of elementary particles’ masses.
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