AI glasses nearly doubled in revenue for EssilorLuxottica in Q2 2026, with the Ray-Ban and Oakley Meta lineup topping 7 ...

The study of nonlinear propagation in optical fibres dates back to the early 1970s and the first fabrication of low-loss silica fibre waveguides. Nonlinearity in fibres arises primarily from the ...

Ultra-weak ‘biophotons’ might be used to diagnose disease, or could even represent a new signalling mechanism in cells.

Meta Platforms is expected to surpass Alphabet’s Google to become the world’s leading digital-advertising business, a first for the social-media company. Advertising research firm Emarketer projects ...