How the Six Shadows of Shame Gang Up On Us and What to Do About Them

One of my favorite places to visit growing up was the science museum and the planetarium. Apart from the opportunity to buy space ice cream just like the astronauts used to eat and getting a closer look at the planets and stars in the planetarium shows, one of the displays at the museum that fascinated me the most was the pendulum hanging from a long cable from the top of the three-story building. The attendant told me that without friction, a pendulum would swing back and forth indefinitely. As a kid, I didn’t understand what friction…