Liquid metallic encased in hydrogel makes a promising energy-harvesting machine

Enlarge / Researchers at North Carolina State College have created a gentle and stretchable machine that converts motion into electrical energy. The machine works in moist or dry environments and… Read more

Finger wrap might someday allow you to energy up wearables when you sleep

A brand new wearable system turns the contact of a finger right into a supply of energy for small electronics and sensors. (video hyperlink) Wearables are so scorching proper now,… Read more