While fuel cells generate clean energy, fuel cell sensors generate precise measurements and are a gold standard for breath alcohol analysis.

None ...

A car that hesitates when the accelerator is pressed is usually experiencing a fuel delivery problem, an ignition issue, or a ...

Wareable's comprehensive review of the Leep Ring 1, including analysis of the battery life, design, tracking accuracy, and more.

The European Space Agency is developing a spacecraft structure that can detect its own damage and repair itself in orbit, a ...

Vandenberg Space Force Base is set to host a test flight of Firefly Aerospace's Alpha Flight 7 from Space Launch Complex 2 between 5:50 p.m. and 7:50 p.m. on Tuesday, March 10, 2026, after the launch ...

Our editors tested two popular glucose monitors to determine which is the best for improving ​​diet, sleep and exercise habits.

The best sleep headbands provide everything from guided meditations to advanced sleep tracking. Here are our favorites from Muse, Frenz and more.

From the Oura Ring to the Apple Watch to the Google Pixel — here's what the science really says about the accuracy of their health data ...

The devices are essential, and it’s well worth considering the newest models.

Plus, doctors’ number-one pick and their take on the devices.