Wearable health sensors such as photoplethysmography (PPG) wristbands, ECG patches and multi-modal biometric devices are typically developed and calibrated under controlled laboratory conditions.

New hydrogel tech turns humidity into power for wearables. See how this breakthrough could make tiny device batteries ...

Sony’s Cooling Neck Device Is Coming to the US, and I Got a First Look ...

As Novak Djokovic jigged towards his team watching on at Centre Court, his face beaming, the sense was inescapable: the hunt ...

A flexible battery powered by humid air can run wearables without toxic metals, and one version self-destructs when tampered with.

As extreme heat and heat waves intensify, workers can collapse without warning. Here’s how employers are using tech to detect ...

AirPods Can Measure Your Heart Rate, but Are They Accurate?

Temperatures in the 90s are spreading across the Midwest and will reach the East Coast by midweek, when it will feel like 100 ...

Natural biomass hydrogels are emerging as promising building blocks for intelligent sensors because they combine softness, water-rich structures, tunable networks, and abundant functional groups. A ...

This exclusive Cogs of War interview is with Maxwell Maduka, the co-founder and chief engineer of Terra Industries, an ...

I gave Claude access to my Home Assistant. It helped me audit, debug, and improve my smart home better than I ever could have.

Can an ESP32 detect people without cameras or motion sensors? Discover how Wi-Fi signal disturbances, CSI, and smart DSP enable real-time occupancy and mov ...