A Special Topics edition of the Journal of the Physical Society of Japan features articles discussing recent advancements in hyperordered structures in materials, their applications, and the techniques for observing them.

A neutral Rydberg atom tweezer array is a promising platform for quantum computation. In this study, featuring its metastable excited state, an array of single ytterbium atoms trapped in micro-optical tweezers was constructed. This overcomes many problems in conventional systems using alkali atoms.