Functional near-infrared spectroscopy (fNIRS) measures brain activity optically based on changes in cortical blood flow.

The sunlight reaching Earth from the Sun's visible surface crosses space in about 8 minutes. Before that, however, the ...

Caltech scientists have created ultra-low-loss optical pathways on silicon chips that approach the efficiency of fiber optics and dramatically outperform existing technology at visible wavelengths.

Abstract: Ultra-short fiber Fabry-Pérot (FP) cavities, especially thin-film FP sensors, often exhibit fewer than one observable interference period within a practical finite sweep bandwidth, which ...

Estimate a crank length starting point from inseam, riding style, and fit priority. Use this bike crank length calculator to find a practical starting point for crank size. Crank length affects knee ...

When the founders of a mental health app for men called Mental saw that one feature — AI interactive audio — was resonating wildly with their users, they knew they were on to something. And so the ...

Investors are pouring money quickly into a new ETF that invests in companies involved with photonics and photolithography Extreme ultraviolet (EUV) lithography is a high-growth specialty within the ...

Watch an exchange between the two men in which the Chinese leader sought to signal exclusivity and name-dropped Russia’s president. By Lily Kuo Jiawei Wang and Pei-Lin Wu An off-the-cuff exchange ...

I spent several days at OFC (Optical Fiber Communications Conference) 2026 in LA. The crowds were huge and the enthusiasm intense. Long-time attendees noted the shift from telecom to data center AI in ...

At GTC 2026, Nvidia outlined a dual-track approach combining copper cables and silicon photonics (SiPh) to meet surging AI-driven demand for data center interconnects... Some subscribers prefer to ...

(Nanowerk Spotlight) In the age of big data, we are generating more images than we can actually process. Autonomous vehicles, medical scanners, and quality control systems rely heavily on ...