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Sir David looks at the British inventors who played a vital part in the wheel's evolution, from the Penny Farthing to the Stephenson Rocket. And he drives down memory lane in a Reliant Regal Supervan.
Sir David hears about Sir George Cayley and Percy Pilcher as he looks at the British inventors who played a part in the evolution of flight.
Sir David gets behind the controls of a tank as he finds out about the British inventors who gave us some of the most extreme machines on the planet.
Sir David finds out about the invention of the incandescent light bulb as he learns about the British innovations that have transformed our homes.
