Contact: Kristen Kusek
Wyss Institute for Biologically Inspired Engineering at Harvard
Caption: As Bacilli bacteria dry out and form spores (shown here), they wrinkle, and as they rehydrate, they swell. A team lead by former Wyss Institute resident scholar Ozgar Sahin harnessed these humidity-driven changes to power an actuator and generate electricity.
Credit: Xi Chen/Columbia University
Usage Restrictions: Credit: Xi Chen/Columbia University
Related news release: Getting a charge from changes in humidity