SciShow
The 2 Secrets to Sending People to Mars
2013 • E136 Sep 4, 2013 10m
Hank revisits his passion for exploring the Red Planet, breaking down the two biggest challenges of sending humans to Mars: radiation and propulsion. He explains the science behind the obstacles future Mars-bound astronauts will face, as well as they technology they'll have to use to surmount them. Onward!