Comment in 2021

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  • Methods for studying Bose–Einstein condensation in ultracold gases have been under development for over 40 years. A highly sophisticated suite of techniques has emerged from rapid technological advances that show no sign of slowing down.

    • Jook Walraven
    Comment
  • Having long played the role of collaborators with other, more renowned, institutions, historically disadvantaged South African universities are now challenging the status quo — and emerging as leaders.

    • José Nicolás Orce
    • Sifiso Ntshangase
    Comment
  • The United Nations Sustainable Development Goals outline a roadmap towards a more equitable future for humanity. Along with other scientists, physicists have long made valuable contributions to this endeavour.

    • Joseph J. Niemela
    Comment
  • Undergraduate labs are more effective and more positive for students if they encourage investigation and decision-making, not verification of textbook concepts.

    • Emily M. Smith
    • N. G. Holmes
    Comment
  • Scientific progress has always been driven by the ability to build an instrument to answer a specific question. But spreading the news of how to replicate that tool is an evolving art, ripe for an open-source revolution.

    • Georg E. Fantner
    • Andrew C. Oates
    Comment
  • Passing a supercurrent through a topological material can highlight the existence of higher-order boundary states, and may lead to applications in topological superconductivity.

    • Yaojia Wang
    • Gil-Ho Lee
    • Mazhar N. Ali
    Comment
  • Muon colliders offer enormous potential for the exploration of the particle physics frontier but are challenging to realize. A new international collaboration is forming to make such a muon collider a reality.

    • K. R. Long
    • D. Lucchesi
    • V. Shiltsev
    Comment
  • Methodology adapted from data science sparked the field of materials informatics, and materials databases are at the heart of it. Applying artificial intelligence to these databases will allow the prediction of the properties of complex organic crystals.

    • R. Matthias Geilhufe
    • Bart Olsthoorn
    • Alexander V. Balatsky
    Comment
  • Physicists and biologists have different conceptions of beauty. A better appreciation of these differences may bring the disciplines closer and help develop a more integrated view of life.

    • Ben D. MacArthur
    Comment
  • #BlackInPhysics Week aimed to build community among physicists by celebrating, supporting and increasing the visibility of Black physicists. The week accomplished all of this, and more.

    • Charles D. Brown II
    • Eileen Gonzales
    Comment