Why Consistency Matters

When I was sixteen years old my parents and I drove, in their 1979 Toyota Corolla Station Wagon, from our home in Georgia to Yellowstone National Park. My older sister was working around the Old Faithful Inn area. She booked us a week-long stay there. As a teenager it was my first experience witnessing the Old Faithful Geyser. It was right outside our lodge. It was an experience I never forgot.

An Old Faithful eruption can last from one and a half to five minutes. Each discharge expels somewh...