1001 Space Earth Nature History Human World Science and Technology Chemistry Materials Force and Energy Heat and Light Electricity and Magnetism Industry Machines Electronics and Computers Cars and Trucks Railways Ships Aircraft Fishing and Agriculture Undersea Exploration

Machines How does a roller coaster work? Is it possible to make a perpetual-motion machine? How do a bicycle's gears work? Who invented the jet aeroplane? What are lasers used for? When was the first bicycle made? Who invented the motorcar engine? How did early gramophones work? Which were the first machines not powered by humans or animals? How does a steam locomotive work? What is a crawler-transporter used for? What is the simplest machine? How does a robot arm work? How did people pump water in ancient times?   Previous: Back to Machines Book: 1001 Section: Science and Technology Chapter: Machines