Your oxygen (O2) sensors are small but mighty — they help your engine run efficiently, cut emissions, and prevent costly damage. With the right OBD-II scanner and a bit of know-how, you can decode ...

Catalytic converters are crucial for reducing harmful emissions, but they can fail due to wear, engine issues, or poor-quality replacements. Driving without one may be possible, but it risks legal ...

Where (and how) you wear your health tracker can impact your data accuracy. Here's what researchers say matters most.

Hypertension notifications are a new feature in watchOS 26 that’s available for select Apple Watch models, here’s how to set it up.

RingConn's Gen 3 ring adds haptic alerts and a slightly longer battery life, but otherwise it looks and feels a lot like the ...

Dive into The Register's online archive of incisive tech news reporting, features, and analysis dating back to 1998 ...

2D photodetectors hold potential for several applications, but they are normally limited by an intrinsic sensitivity-speed trade-off. Here, the authors report the realization of 2D PdPSe/WSe 2 ...

Biosensors are devices used to detect the presence or concentration of a biological analyte, such as a biomolecule, a biological structure or a microorganism. Biosensors consist of three parts: a ...