Everything you didn't know about electricity... How much does it really cost to charge your iPhone?

Thanks to Céline Stein for joining us on *Legend*. The CEO of Octopus Energy—a French green electricity provider—breaks down the realities of our electricity consumption using very concrete, everyday examples. She also shares several simple, effective tips for lowering your electricity bill. We also took the opportunity to conduct a few experiments with physicist Fabrizio Bucella... and let’s just say we might have taken the idea of ​​playing with electricity a little too seriously.