The technological links that led to the Predator UAV range from swords to beer and freezers.
Roman cement leads to the automated control systems used on the world's deepest offshore oil rig.
The links between ancient Chinese alchemy and the latest technology in crime fighting.
Technology is all around us. From computers to cameras, cell phones to satellite navigation—our dependence on technology has never been greater.
Waterwheel innovations link to one of the world's most complex aircraft, the Boeing 777.