Check out The Great Courses Plus: http://ow.ly/Ksgr302dtW8 Thanks for watching everyone. Finally getting a sponsor is a huge step for me. I have been living off my savings for the past few months and it was a huge source of stress, none of this would have been possible without you. Thank you so much for watching! If you want to learn more I really recommend WaitButWhy's article on Space X. One of my favourite websites: http://waitbutwhy.com/2015/08/how-and-why-spacex-will-colonize-mars.html Patreon: https://www.patreon.com/user?u=2825050&ty=h Facebook: http://facebook.com/realengineering1 Instagram: https://www.instagram.com/brianjamesmcmanus Twitter: https://twitter.com/Fiosracht Music: "Infinite Perspective" Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/b...