I remember, as a young boy, learning that the earth spun. I was so excited by the prospect. Yet, with my eyes closed, I couldn’t feel any movement. My mission was simple: I needed to prove it. Before bed, I lined up a Hot Wheels car with a tree far away across the street. I fell asleep instantly, anxious to revisit my experiment in the morning. When I woke, the car still pointed to the exact same place it had the night before. It took a few days for me to realize I hadn’t been lied to.