Where does electricity come from? That's what listener Ati wants to know. Lindsay and Marshall get on the case of a massive blackout that plunged 50 million people into darkness Scientist and engineer Mike Legatt helps us solve the mystery. We made a cool electric grid scavenger hunt for this episode that you can download for free on our Patreon Page! Subscribe at the $5 level (or higher!) to find more great activities like this one. You can also listen to Tumble on the BRAND NEW Kids Listen App! If you have any questions about science that you'd like Lindsay and Marshall to help answer, go to our website - www.sciencepodcastforkids.com - and use the contact form. While you're there, you can also find a blog with lots of great resources about this episode.