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 ...

In 2026, the gap between professional diagnostics and DIY capability has narrowed significantly, thanks to a new generation of Bluetooth OBD2 scanners and smartphone apps that cost less than a tank of ...

Scanxiety is a state of anxiety that can come up prior to having a test or scan. This can last all the way through getting ...

The ionosphere is of great importance to shortwave radio transmissions, since it allows radio waves to be refracted and ...

A new urine test performed better than PSA-based testing and MRI for monitoring low-risk prostate cancers on active ...

Some Pixel Watch owners say SpO2 and skin temperature tracking disappeared after a recent Fitbit update, and Google is ...

I tested the Eight Sleep Pod 5, Garmin Venu 4 smartwatch and the Oura Ring 4 Ceramic for 90 days to determine if the trackers ...

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 ...

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