In-depth Oura Ring 4 review vs Oura Ring 3. Tested sleep, activity, stress & readiness tracking. What’s new in 2025 – and is ...

A Noise Floor, g VRC, High Efficiency MEMS Capacitive Accelerometer Using High-Voltage Orthogonal Excitation Technique Abstract: This work presents a high-voltage orthogonal excitation (HVOE) based ...

We break down the announcement: with a heart rate sensor and deep fitness integration, Apple is turning the ear into a powerful health monitor. Apple has done it again. On a Tuesday that felt much ...