A Wearable Device Battery Life Design Surprise

A Wearable Device Battery Life Design Surprise

When designing a wearable device, engineers must consider how long a battery will run between recharging sessions. We write about new battery technologies often, most recently covering stretchable, flexible batteries that are durable, comfortable, and convenient when...
Stretchable Battery [video]

Stretchable Battery [video]

Wearable devices designed for continuous biometric monitoring pose unique challenges in terms of power sources. A solution must be durable, comfortable, and convenient. We’ve written about flexible, stretchable batteries that can conform to various shapes and...
Battery-free UV Sensor Fits Fingernail

Battery-free UV Sensor Fits Fingernail

We’ve covered wearables that detect UV exposure several times. The positive correlation between UV overexposure and skin cancer prompts some people to cover up or slather themselves with sunscreen while others choose to stay out of the sun as much as possible....