This episode is brought to you by Dropbox www.dropbox.com/ Tweet ⇒ bit.ly/OKTBShotair Share on FB ⇒ bit.ly/OKTBShotairFB ↓ More info and sources below ↓ We uploaded another version of this video on 11/9 but it had a big mistake in it. So we fixed it. This version is full of 100% real science! Sorry for the error. In the interest of transparency, if you want to watch that wrong version and see what I was wrong about, here's the link: youtu.be/qR9hucj02u0 We’ve got t-shirts! Get yours here: store.dftba.com/collections/its-okay-to-be-smart Special thanks to: The 2015 Albuquerque International Balloon Fiesta www.balloonfiesta.com/ Pilot Doug Gantt and the Ham-let balloon team www.whenpigsfly.bz/ Have an idea for an episode or an amazing science question you want answered? Leave a comment or check us out at the links below! Follow on Twitter: twitter.com/okaytobesmart twitter.com/jtotheizzoe Follow on Tumblr: www.itsokaytobesmart.com Follow on Instagram: instagram.com/jtotheizzoe Follow on Snapchat: YoDrJoe ----------------- It’s Okay To Be Smart is written and hosted by Joe Hanson, Ph.D. Follow me on Twitter: @jtotheizzoe Email me: itsokaytobesmart AT gmail DOT com Facebook: www.facebook.com/itsokaytobesmart For more awesome science, check out: www.itsokaytobesmart.com Produced by PBS Digital Studios: www.youtube.com/user/pbsdigitalstudios Joe Hanson - Creator/Host/Writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen Inc. Kate Eads - Producer Andrew Matthews - Editing/Motion Graphics/Animation Katie Graham - Camera John Knudsen - Gaffer Theme music: “Ouroboros” by Kevin MacLeod Other music via APM Stock images from Shutterstock, stock footage from Videoblocks (unless otherwise noted)