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

Choose a Page:How did people pump water in ancie...*How does a robot arm work?*What is the simplest machine?What is a crawler-transporter used...How does a steam locomotive work?Which were the first machines not ...How did early gramophones work?Who invented the motorcar engine?When was the first bicycle made?What are lasers used for?Who invented the jet aeroplane?How do a bicycle's gears work?Is it possible to make a perpetual...How does a roller coaster work? How does a robot arm work? Robot arms are mechanical devices that have joints that can bend and rotate. They are driven by computer-controlled electric motors. Tools can be fitted to the 'hand' end of the arms, and the computer programmed to make them perform different tasks, such as cutting, drilling, welding, and painting. They are also used for dangerous tasks such as handling radioactive materials or unexploded bombs. Robot arms work quickly and accurately without human help.   Previous: Back Book: 1001 Section: Science and Technology Chapter: Machines