Charged up! The science of batteries
Charged up! The science of batteries  
Podcast: Brains On! Science podcast for kids
Published On: Tue Dec 19 2017
Description: Batteries are everywhere — they’re in our phones, our computers, our cars, our toys. But how do they work? To find out, we talk to a scientist who’s making really big batteries to store renewable energy, another who’s working on really small ones to power our phones, and we play in a park with a dog.