So simple and yet so complex. The bicycle remains the world’s most popular form of transportation, found in households worldwide, in countries rich and poor. And yet the bike remains something of a mystery to us. How the bike can ride almost on its own is something physicists still ponder and write academic papers about. It’s also the subject of this new episode from the popular YouTube series Minute Physics. The video explains in a few succinct minutes what we know and still don’t know about this fixture in our everyday lives. All stuff to think about on your next ride….