The Case of the Invisibility Cloak with Andrea Alu [ENCORE] by Tumble Podcast published on 2016-12-02T12:03:54Z Invisibility cloaks: Not just for wizards? Listener Quinn introduces his favorite Tumble episode, where we explore the very real science behind invisibility! Tumble t-shirts are now available in kid's, men's, and women's sizes. Get yours at sciencepodcastforkids.com/shop! Is Tumble a part of your daily routine? Show your love by pledging to our Patreon at patreon.com/tumblepodcast. Lastly, we could use your help with an audience survey for our partner, Wondery! Go to wondery.com/survey and answer a couple quick questions about your listening habits. We'll be forever grateful to your anonymous contribution!