How accurate is your smartwatch? Learn how Apple and Samsung smartwatches use motion and HR to track sleep, and why you ...

Dark matter is an elusive type of matter that does not emit, absorb or reflect light, interacting very weakly with ordinary ...

Check out our curated selection of the best fitness trackers currently available on the market to help you reach your health ...

Designed by Ruictec in China, the TD04 is a LoRa-based low-power tracker that also features BLE and dual-band GNSS. It ...

Diamond nanoparticles containing nitrogen-vacancy centers can now monitor cellular metabolism in real time, targeting specific organelles while tracking particle movement inside living cells.

Scientists from Turkey have designed a next-generation implantable biosensor using genetically engineered E. coli for molecular-level monitoring within the body that runs on its own, wirelessly, with ...

Modern missiles like AMRAAM and Sidewinder rely on advanced tracking systems that do far more than simply “lock on.” They read radar plots, build predictive tracks, and smooth out errors to follow ...

Smartwatches in 2025 are no longer just stylish accessories or simple fitness trackers—they have evolved into comprehensive health companions. With larger displays, advanced sensors, and AI-driven ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

The X-K-300 system at Cass County Jail detects unusual heart or breathing rates in real time, giving officers early warnings. X-K-300 sensors at Cass County Jail monitor an inmate's heart rate and ...

Scientists used tiny new sensors to follow the insects on journeys that take thousands of miles to their winter colonies in Mexico. Scientists used tiny new sensors to follow the insects on journeys ...