We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

The new sensor array detects key VOCs in cooked rice, correlating aroma profiles with quality, and creating a route to ...

Announced at IFA 2025, the Luna Smart Ring Gen 2 is the second generation that tracks your biomarkers, and helps you ...

In this scenario, Series 12 becomes a polished evolution rather than a redesign. It would align with Apple’s recent message ...

The Oura Ring does not directly measure blood pressure. This feature is not currently available on the device. Oura focuses ...

Track health with QALO's QRNT smart ring, featuring no subscription fees, comprehensive metrics, and strong privacy controls.

CES attendees saw health-tracking gadgets making bold promises: toothbrushes detecting diabetes, mirrors assessing 20-year ...

In this project, I built a wearable health monitoring tag that you can actually chat with on Telegram. Using a pulse oximeter ...

Specialists turn to an industrial air compressor when localized pneumatic ventilation is needed to push cool, clean air into ...

But as with previous generations, the Oura ring is chunkier than almost any ring you’re likely to wear as jewelry, which is ...

Smart rings are the wearable everyone’s switching to, and we’ve tested the lot to find the best smart rings actually worth wearing.

Health tracking technologies offer insights into wellbeing but may also cause anxiety and data misinterpretation. Evaluating ...