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

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 ...

The Living Sensor Display uses skin patches to report internal inflammation, opening up a new avenue for controlling diseases ...

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

When a car keeps cutting out at red lights, the problem rarely feels minor to the driver stuck in cross traffic with a dead ...

Rebecca Moore is a writer specialising in the parenting sector and only recommends products she thinks you’ll love and that ...

NASA's X-59 supersonic demonstrator sits partially disassembled at Armstrong Flight Research Center following its October ...

For some, food allergies are an annoying inconvenience. For others, they are a life-threatening condition that requires ...

Most mechanics at the Klaben Ford dealership in Kent, Ohio, hate messing with transmissions, the duffel-bag-shaped, 300-pound ...

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

A great car shouldn't come with a side of buyer's remorse. Blake scored a 2019 Toyota Highlander SE Midnight with only 60K ...

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