While on the bus yesterday morning, I began chatting with a young Mathematics major from Cal Poly University.
I originally struck up the conversation with him because of his t-shirt. It was promoting using bicycles whenever possible as a viable and clean air alternative to driving an automobile. The small silhouetted pictures showed a "backward" progression from a newer model car to an older car to an antique car to a horse drawn carriage and finally a bicycle. But it was the one inch words in white that really caught my attention: "Shift Gears." (more…)