I have a seven year old kid with whom I engage in conversations about the Universe and the world around us frequently. We both enjoy talking about these topics. Our conversations leave me amazed at how intelligent kids are these days. However, whenever we talk of large numbers such as the age of the Universe (~13.8 billion years), the age of the Earth (~ 4.5 billion years) or number of galaxies in the observable Universe (~ 2 trillion), I am left with the feeling that kids today don’t appreciate the mind boggling scale of those numbers as maybe kids of previous generations did. I don’t know the reason for this. It maybe because billions and trillions are bandied about so casually these days in popular media. There are 19 countries with over trillion dollar GDP, 3000+ billionaires and 9 trillion dollar companies in the world. I wonder if all of this has caused lack of appreciation for how big these large numbers really are and made us numb to them. One way that I have found to b...