Smartwatches have dominated the wearable technology market for years, but a much smaller gadget is quietly becoming one of the most advanced health trackers available.

CNET Labs testing found AirPods Pro 3 averaged 1.67% heart rate error vs a chest strap, second only to Apple Watch Series 11 at 0.98%.

Casio launches the G-Lide GBX-H5600 with heart rate tracking, surf-focused tools, Bluetooth connectivity, and solar-assisted charging for $330.

Google’s new screenless health tracker costs £84.99 and requires no monthly subscription to use. The Fitbit Air is the first addition to the Fitbit family since October 2023 and coincides with the ...

Air fuel ratios, emissions, and others: oxygen (O2) sensor, exhaust gas temperature sensor (EGT), nitrogen oxide sensor (NOx), knock sensor The video illustrates how each sensor communicates with the ...

Abstract: This paper presents a microfabricated Clark-type sensor which exactly can measure dissolved oxygen in the cell containing solution. We designed and fabricated a microfabircated Clark-type ...

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’re like most car owners, you probably don’t think much about your car’s oxygen sensors until they are causing a problem. But did you know that a bad oxygen sensor can impact your car’s ...

The Indian Space Research Organisation (ISRO) Chairman, V. Narayanan, on Thursday (August 21, 2025), said the Falcon 9 rocket team that launched Indian astronaut Group Captain Shubhanshu Shukla to the ...

I tested the $329.99 46mm version of the OnePlus Watch 3, which is similar in size to the Watch 2 and the $229.99 Watch 2R, and outsizes the larger variants of the Samsung Galaxy Watch 7 ($299.99) and ...