Fingernail-sized vibrating gadgets, similar to the tiny devices that make your cellphone buzz, could help people with ...

A major challenge in self-powered wearable sensors for health care monitoring is distinguishing different signals when they occur at the same time. Researchers addressed this issue by uncovering a new ...

An accelerometer measures the acceleration of your phone. It does that on three axes: horizontal, vertical, and forward/backward. It also senses vibration, tilt, and free fall. Being able to calculate ...

The sensor device is the part of the transducer that interacts with and changes in response to the physical world, detecting ...