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

None ...

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 ...

Solid rocket motors—and the chemicals that fuel them—are a major limitation on America’s missile stockpiles, and one that ...

The Korea Research Institute of Standards and Science (KRISS) has developed an ultrasonic sensor technology that applies a ...

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

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 ...

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

Zen digesters” rarely fart. “Hydrogen hyperproducers” fart a lot. Scientists are investigating what is typical.

Using a VPN, or virtual private network, is one of the best ways to protect your online privacy. We review dozens every year, and these are the top VPNs we've tested. I’ve been writing about ...

In 2015, the YouTube channel Unfavorable Semicircle gained attention for its enigmatic and abundant video uploads, totaling ...