I Don't Think I'd Even Heard The Term "Brachistochrone" Before Today, But I Think It Might Just Be My New Favorite Thing

Thanks, Michael Stevens  and Adam Savage! (Oh, and also you, Laughing Squid guys.)

Vsauce host Michael Stevens and his Brain Candy Live partner Adam Savage built a near perfect brachistochrone track to demonstrate that a straight line is not always the fastest way to travel.
Attribution(s): All video and gifs are the property of Michael Stevens and Adam Savage.