Example image of eyePlorer eyePlorer map for 'Engineering': Process (engineering) Fields of engineering Imhotep 27th century BC Djoser History of ancient Egypt Pharaoh Pyramid of Djoser Saqqara Step pyramid Architecture Column Ancient Greece Antikythera mechanism Archimedes Mechanical computer Automotive engineering Differential (mechanical device) Epicyclic gearing Gear train Robotics Artillery Ballista Catapult Trireme Trebuchet De Magnete Electrical engineering Electricity William Gilbert Mechanical engineering Steam engine Thomas Savery Industrial Revolution Mass production Profession Mechanic arts Alessandro Volta Electric motor Georg Ohm Michael Faraday Electronics Heinrich Hertz James Clerk Maxwell Transistor Vacuum tube James Watt Great Britain Chemical engineering Aerospace engineering