From Smarter Every Day 2. Keep exploring at https://brilliant.org/smarter Get started for free, and hurry—the first 200 people get 20% off an annual premium subscription The Main Channel Video is here: Luke Talley is a Docent Emeritus at the U.S. Space and Rocket Center in Huntsville, Alabama. https://rocketcenter.com/ https://twitter.com/rocketcenterUSA I like to make videos that…