In this video we take you deep inside the Rolls Royce jet engine site in Derby, England to look at how these state-of-the-art jet engines are built, tested, inspected and improved. In particular we'll ...

The Duke and Duchess of Cambridge donned wrap-around safety goggles for a visit to a Rolls-Royce jet engine factory and took one of them for a spin. William jumped at the offer to test one of the ...