Build a light-activated switch using LDR that lets you control home appliances using your mobile phone's torch.

Ortel, the California-based supplier of optical communications components now owned by Photonics Foundries, says it has ...

While there are many fitness trackers available these days, the Whoop 4.0 and the Oura Ring 4 are doubling down on their ...

Optical computing integrates photonic devices for high-speed computations, presenting a promising alternative to electrical ...

We tested the best fitness watches of 2025 with options for every budget. Our top picks include Garmin, COROS, and more!