Chapter 2. Define the Whys
Daddy, why is the sky blue?
They seemed like simple questions when we were children, so we asked them all the time. Fascinated by the world around us, we were driven to understand the inner workings of anything our young eyes beheld. Why is the sky blue? Why do butterflies have such pretty wings? Why do we have to wash our hands before we eat dinner?
The need to understand is baked into our DNA. It sent almost five hundred humans into outer space during the second half of the twentieth century and, in this century, it helped scientists create bacteria that can be programmed like a computer. It all started, and will always ...