A research team, affiliated with UNIST, has unveiled a flexible photodetector, capable of converting light across a broad ...

A new gas sensor using ruthenium dioxide nanosheets achieves ultra-sensitive ethanol detection down to 5 ppb, enabling real-time breath alcohol monitoring at under 30 milliwatts.

Air pollutants like nitrogen dioxide (NO2), primarily produced during fossil fuel combustion, pose a serious concern for human health, contributing to respiratory diseases like pulmonary edema, ...

Abstract: Due to the direct contact between the semiconductor-type resistive gas sensor and the test gas in the air, the presence of water molecules in the air can seriously affect the performance of ...

Abstract: Quartz crystal microbalance (QCM) gas sensors modified by ZnO nanofilms were prepared using a layer-by-layer self-assembly (LBLSA) technique for methanol detection under parts-per-million ...

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 ...

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

The secondary treatment stage involves organic waste being oxidized to form carbon dioxide, water, and nitrogen compounds. Most modern plants use an activated sludge system to achieve this, with a ...

Apple released a small build update to iOS 26 developer beta 6, which does not re-enable the blood oxygen sensor on Apple Watch in spite of the earlier iOS 18.6.1 update that did. The new iOS 26 ...

In a surprise Thursday announcement, Apple says that it is bringing the blood oxygen sensor feature back to the Apple Watch Series 9 and newer. The returning feature will be part of an iOS 18.6.1 and ...

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Apple is making another attempt to appeal the trade ban that forced it to remove the blood oxygen sensor from its smartwatches, Reuters reports. The company was forced to remove the feature in 2024, ...