Minute Physics: How to Go to Space

I'm not going to lie to you: I have smart friends, and they are also crazy talented. They inspire me, and it's no surprise that they inspire each other, too. To wit: My friend Henry Reich, who creates Minute Physics, was inspired by another friend, Randall Munroe, who creates Xkcd. Now follow this: Randall has a book coming out in the next couple of weeks called Thing Explainer (preorder it!), where he covers basic science concepts using only the 1,000 most common words in the English language. ...