Photoplethysmography (PPG) is an optical sensing technique that measures blood volume changes and underpins devices ranging ...

Researchers at Brown University have developed a wearable sensor that uses polarized light to improve the accuracy of ...

Homey’s new Matter Bridge app pulls Zigbee, Z Wave, 433 MHz, and IR devices into Apple Home, letting HomeKit control older ...

For an assignment covering forest elephants in Gabon, National Geographic’s photo engineer had to think big. It was an elephantine task to design camera traps for one of the world’s largest animals.

The Boat Smart Ring Active Plus features a 5 ATM dust rating, which makes it sweat- and splash-resistant. Its premium ...

RING is giving away free doorbell cameras worth £180 in a bid to revive a festive tradition. And your neighbours will receive ...

With snow in the forecast, the agency in charge of many of the state's roadways are making sure preparations are in place.

With LETWESAF and their Camping Radar Security Alarm system, you can solve the safety concerns at your campsite or even ...

Speed is usually sold as the ultimate advantage in air combat, the quality that lets a fighter jet sprint through danger and ...

Through December 22, Aqara is rolling out some of the steepest discounts of the season. These limited-time prices make it the ...

Active boundary heating and cooling can make a small object look much larger to thermal sensors, a step toward compact ...