Our first guest is Sergei Urban. He is not a celebrated scientist or a Nobel Prize winner or a PhD in physics or any of those things that typically describe many people we host on Cool Science Radio. He is a dad, a dad who succeeded in creating two children with a high amount of creativity. In doing so, his kids have always asked for more - more science, more exploration, more fun. Fast forward to today and Sergei is promoting his book, The Dad Lab , after having spent the last four years