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

With the Loop, Polar is clearly coming for Whoop. Like its inspiration, the Polar Loop is a screenless fitness tracker that measures your activity, heart rate, and sleep with a de ...

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

Both the Oura Ring and Whoop wristband focus on total wellness without screens, keeping distractions at bay. Here's what happened when I tested both—and which one is worth your money.

The Polar Loop is a simple, screenless fitness-tracking band that monitors your activity, heart rate, and sleep for a reasonable price.

The new Hume Band is at the forefront of a 2026 wellness revolution, using its advanced sensor technology and proprietary Metabolic Momentum score to provide users with unprecedented insights into ...

One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

The Thermostat Hub W200 combines many of the best features of Aqara's lineup to make a very compelling smart home thermostat. Reading time 2 minutes Aqara just announced a swath of new smart home ...

This all-purpose presence sensor is a master at monitoring indoor activity and linking it to smart home features you already use. Tyler has worked on, lived with and tested all types of smart home and ...

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

Sony has launched its mid-range flagship mirrorless camera, the A7 V, with a strong emphasis on speed but a bit less on video than some may have hoped. The new model sports a 33MP partially stacked ...

Amazon has announced its latest attempt to use generative AI: to add a Video Recaps service for previous seasons of popular shows on Prime Video. Prime Video is Amazon's streaming platform, and is ...