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

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

Outside of training, the sleep stages and Nightly Recharge recovery tools are still some of the best you’ll find on any ...

Car habits like ignoring warning lights and slamming brakes cost thousands in repairs-12 simple changes protect your engine ...

Most mechanics at the Klaben Ford dealership in Kent, Ohio, hate messing with transmissions, the duffel-bag-shaped, 300-pound machines that transfer power to the vehicles’ wheels. Hummel is one of the ...

The chief medical officer is interested in an easier path to market for health screening features in wearable devices.

This is an important study on the sensory roles of Cerebrospinal fluid-contacting neurons (CBF-cn) in mammals. The authors identify PKD2L1 as the predominant pH-sensing channel CBF-cn and show how the ...

The Time of Flight (ToF) sensor is significantly more accurate than the ultrasonic sensor. This is evident through the data shown above. Although the measurements were generally smaller than realistic ...

Withings’ long-awaited U-Scan, the smart-health device that analyzes your urine from inside your toilet bowl, is finally available to order globally. The device, which first wowed us at CES in January ...

If you’ve had your eye on a new Apple Watch Series 10, now’s the day to finally get one. Not only is it $100 off, starting at just $299 for the 42mm model, but the blood-oxygen sensor is finally ...