Spinning your wheels isn’t just going around in circles. In fact, it’s revolutionary–literally. The history of civilization has turned on the wheel, and we have traveled as far as we have because of it. One of the six simple machines and perhaps the most important invention in the history of mankind, the wheel has been essential in all aspects of life–from farming to fighting, traveling to trading. Features interviews with scientists, historians, philosophers, millers, potters, and spinners.
Archive for March, 2002
The U.S. Navy’s most lethal fighter soars at supersonic speeds. This episode tells the complete story of this legendary aircraft, following it from the initial design sessions to its most recent missions. Find out how its sweep-wing technology works and why it was developed, and track the innovations that have kept the F-14 effective for nearly three decades. Pilots reveal what it is like to fly the Tomcat in combat, and our cameras capture the action from inside the cockpit as an F-14 soars at supersonic speeds.