(Nanowerk Spotlight) Medical devices that interface with the human body need power sources as safe as they are reliable. While sophisticated electronics can monitor health conditions and deliver ...

This array of nearly 150 LEDs is powered by repeatedly sticking and unsticking layers of store-bought tape as part of a triboelectric nanogenerator, along with plastic and aluminum. Zaps of static ...

Zaps of static electricity might be a wintertime annoyance, but to certain scientists, they represent an untapped source of energy. Using a device called a triboelectric nanogenerator (TENG), ...