What Is the Mojave Megaphone?

Deep in the Mojave Desert, a set of large metal cones are permanently embedded in the rocky terrain. Learn what we do (and don't) know about it in this episode of BrainStuff, based on this article: https://adventure.howstuffworks.com/mojave-desert-megaphone.htm Learn more about your ad-choices at https://www.iheartpodcastnetwork.com