Explore the best tech accessories reviewed this quarter, including earbuds, monitors, and more. Find the top-performing ...

One of the most important metrics on a Fitbit tracker is the Estimated Oxygen Variation—and now that every tracker is fitted with an SpO2 sensor, everyone can take advantage. Blood oxygen may be used ...

Researchers have developed a new reliable and durable sensor that can work in temperatures as high as 900 degrees Celsius or 1,650 degrees Fahrenheit and can be used in multiple industries. Extreme ...

Wearable health sensors such as photoplethysmography (PPG) wristbands, ECG patches and multi-modal biometric devices are typically developed and calibrated under controlled laboratory conditions.

Researchers developed a transparent smart contact lens that uses gold nanoparticle-embedded PEDOT:PSS nanowires to improve ...

Inductive sensors are non-contact proximity sensors that detect ferrous targets, ideally ones made of mild steel thicker than one millimeter. They consist of four major components: a ferrite core with ...

As sensing technologies become increasingly multi- and inter-disciplinary, their role is rapidly evolving beyond signal detection. In this Viewpoint, five experts discuss emerging sensing paradigms, ...

Fitness wearables can help you move more, sleep better, and stay healthy. Here's how to pick the right one for you, along with the top fitness trackers we've tested. I’m PCMag’s senior writer covering ...

Including Focal's elite audiophile speaker system, Microsoft's newest laptop and a bunch of new turntables.

Installing a smart water sensor can save you a lot of money and hassle. The top leak detectors we've tested immediately alert you to issues and even shut off your home's water supply. I’ve been ...

Biosensors are devices used to detect the presence or concentration of a biological analyte, such as a biomolecule, a biological structure or a microorganism. Biosensors consist of three parts: a ...

Abstract: Oxygen saturation (SpO2) is a vital parameter in clinical practice. Clinical research suggests that SpO2 may significantly decrease in patients with lung infections before evident symptoms, ...