The smallest bicycle that an adult can ride has wheels made from silver dollars. Steve McPeak built and rode a unicycle that was ten stories tall. The greatest skill was not in riding the machine, but in building it so that the chains would not fall off the sprockets. At St. Helen's School in Newbury, Ohio, unicycling is a mandatory subject. The students are allowed to ride their unicycles in the halls between classes.
Collisions are surprisingly few.
Next time you are waiting at a red light, you may want to begin practicing a technique called the track stand. As you come to a stop, but before putting a foot on the ground, turn your front wheel about 70 or 80 degrees to the right or left. If your bike is not facing uphill, turn the front wheel facing uphill. This means that your wheel will probably be turned to the left, since most often, the road curves uphill toward the centerline, so that rainwater will run off. Keep steady pressure on one of th e pedals, but balance the tendency to roll backward, downhill.