The systematic framework for the proposed multi-liquid identification is depicted in Fig. 1. The system comprises a space-time-coding metasurface illuminated by a feeding pyramidal horn antenna, a ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Chiral light-matter interactions underpin many emerging technologies in sensing, quantum optics, and polarization control. Artificial chiral metasurfaces, which are patterned at nanoscale, can ...