The vivo X300 Ultra has been the subject of multiple leaks and rumors, with expectations of significant camera upgrades, ...

Dispersion is an inherent feature of electromagnetic waves. It allows light to behave differently at different wavelengths, which can be useful, but it also creates chromatic aberrations. As bandwidth ...

A new metasurface design lets light of different spins bend, focus, and behave independently—while staying sharp across many ...