Time-varying systems, materials with properties that change over time, have opened new possibilities for the experimental ...

Real-time monitoring of key biomarkers is a critical prerequisite for early disease diagnosis and personalized therapy. Early ...

Each March and September, the point directly beneath the Sun crosses the equator, marking the equinoxes. While equinox comes from the Latin aequus (equal) and nox (night), the date of equal day, known ...

The FDA has authorized marketing of Essilor Stellest spectacle lenses by EssilorLuxottica, allowing the first eyeglass lenses ...

Considering rapid increases in myopia, authors conducted a longitudinal cohort study of twins and their parents with the goal ...

Milwaukee has equal lengths of daylight and nightlight on Thursday, called equilux. It comes a few days after the equinox.

Abstract: We propose an external cavity laser based on a nanobeam cavity and RSOA for sensing. The detection limit of the refractive index change is improved by a factor of 175 compared to its passive ...

Abstract: A graphene disk metasurface-inspired refractive index sensor (RIS) with a subwavelength structure is numerically investigated to enhance the functionality of flexible metasurface in the ...

Microscopy is a vital tool for exploring the mysteries of life, enabling scientists to observe the dynamic changes of cells ...

Discovery Center Refraction ...

From September 23 to 27, 2025, the Shanghai Industrial Expo grandly opened once again at the National Exhibition and Convention Center. This year's expo, themed "New Quality in Industry, Boundless ...