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  • Global events in the past year has made prescient a long-standing debate on the definition and suitability of impact and novelty as criteria for publication in selective journals. Reflecting on this issue, Prof Andrea Armani and Prof Jerry Lee argue that rigour and reproducibility is, in fact, more crucial.

    • Andrea M. Armani
    • Jerry S. H. Lee
    Comment Open Access
  • Emergency action in response to the COVID-19 pandemic led to the removal of financial and regulatory barriers to developing medical technologies. But, as Andrea Armani and Eric Diebold explain, a broader cultural shift in academia can expedite their translation from laboratory benches to real-world use.

    • Andrea M. Armani
    • Eric D. Diebold
    Comment Open Access
  • Göttingen is home to the Third Infinity conference, a biennial event organized by Ph.D. candidates that aims, beyond discussing complex systems physics, at providing a platform to discuss themes central to doctoral life and education. As part of the organizing committee of Third Infinity 2020, in this comment we would like to raise attention on the main issues faced by today’s European interdisciplinary Ph.D. students as we learnt them from direct experience during the organization process, as well as from discussion with our peers during the event.

    • Aina Gallemí-Pérez
    • Venecia Chávez-Medina
    Comment Open Access
  • Executable papers take transparency and openness in research communication one step further. In this comment, an early career researcher reports her experience of creating an executable paper as a journey through Open Science.

    • Jana Lasser
    Comment Open Access
  • What is the path towards a physical theory of complex networked systems? With an eye to the historical maths-physics duality, and an outlook towards the future, this commentary discusses promises and challenges accompanying the convergence of formal graph theory and data-inspired network science.

    • Gerardo Iñiguez
    • Federico Battiston
    • Márton Karsai
    Comment Open Access
  • The anapole, a non-radiating charge-current configuration, was recently observed in a variety of artificial materials and nanostructures. We provide a brief overview of this rapidly developing field and discuss implications for spectroscopy, energy materials, electromagnetics, as well as quantum and nonlinear optics.

    • V. Savinov
    • N. Papasimakis
    • N. I. Zheludev
    Comment Open Access
  • The concept of non-Hermitian parity-time reversal symmetry in optics has given rise to a vast amount of research aimed at exploring some of the exotic features displayed by photonics systems. The authors present a brief account of the state-of-the-art on non-Hermitian photonics and provide their perspective on the topic.

    • Ramy El-Ganainy
    • Mercedeh Khajavikhan
    • Sahin K. Ozdemir
    Comment Open Access