Setting up dominoes so you can knock them down later is incredibly satisfying. It's become even more prevalent with the internet, as people build incredibly complex designs just for the views. Well, our favorite engineer decided to build a robot that could do it faster and more efficiently. Watch as it breaks the world record.

To make a successful podcast, you need solid storytelling and production skills. That's why I sat down with audio expert Valerie Geller to break down the biggest mistakes audio pioneers make. We share anecdotes from our own careers, tips that worked for us and the top four ways you can reel in listeners and boost your ratings.