UC Irvine researchers built a battery-free wearable sweat sensor that tracks multiple health biomarkers and self-regenerates.

Researchers at the Department of Energy's Oak Ridge National Laboratory (ORNL) have developed a tool condition monitoring ...

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 ...

Let's be honest … tools that are made to be gun-like are generally pretty childish. They can also be practical at the same time, however, which is where the rifle-inspired Dream Knight ratcheting ...

Controllers Best PC controllers in 2026: the pads I recommend for PC gamers Gaming Chairs Best gaming chair in 2026: I've tested a ton of gaming chairs and these are the seats I'd suggest for any PC ...

O2 outshines the other big mobile providers, but it could (and should) be cheaper Barry Collins is a technology journalist and broadcaster. He was assistant editor of The Sunday Times technology ...

Many mechanics say that ratcheting wrenches are among the most essential tools they keep in their tool boxes. They’re must-haves for any mechanics who routinely find themselves working in extremely ...

“These are some of the most-used wrenches in my tool box.” Trying to squeeze your tools and hands into tight spaces comes with the territory when you decide to pursue a career as a mechanic or choose ...

Virgin Media O2 (VMO2) has flicked the switch on O2 Satellite, a satellite-to-mobile service powered by Starlink Direct to Cell, in a move that extends the operator’s landmass coverage from 89% to 95% ...

LONDON, Feb 26 (Reuters) - Britain's Virgin Media O2 launched Europe's first satellite-to-mobile service on Thursday, bringing text messages, WhatsApp and Google Maps to customers using regular ...

One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...