Engineers have developed a new way to monitor how tiny lab-grown human heart tissues beat—by effectively "listening" to the ...

For Hackaday readers who don’t spend their free time underwater, nitrox is a blend of nitrogen and oxygen that’s popular with scuba divers. Compared to atmospheric air, nitrox has a higher ...

One of the flagship additions to the AirPods Pro 3 was a built-in heart-rate sensor, which allows users to track more than 50 workout types. But how accurate is it?

Soccer officials already rely on cameras to see who’s offside and who sent the ball out of bounds. But during this World Cup, refs will use digital twins of each player to view plays from every angle.

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The Pro XA6 SA6320A and Expert XA5 SA6210A are intended to streamline testing processes as wireless technologies evolve towards wider bandwidths, higher frequencies and more sophisticated ...

Marcus Gilmer is Mashable's Assistant Real-Times News Editor on the West Coast, reporting on breaking news from his location in San Francisco. An Alabama native, Marcus earned his BA from ...

Microcontrollers can coordinate high-speed RF front ends to bring MHz-range measurement, automation, and signal processing into embedded workflows. This article explains the principles and ...

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 ...

Upgrade your traditional watch by adding apps, data, and notifications to your wrist. Here are the features to look for, along with the top smartwatches we've tested. I’m PCMag’s senior writer ...

Whether you use an armband or chest strap, add some smarts to your exercise and training routine with one of the top heart rate monitors we've tested. I'm PCMag's managing editor for consumer ...

If you've been struggling to sleep and end up feeling fatigued during the day, the data collected by these sleep trackers can help you find a solution. Caroline Igo Former Editor, Sleep Caroline Igo ...