A remote manipulator, also known as a telefactor, telemanipulator, or waldo (after the 1942 short story " Waldo" by Robert A. Heinlein which features a man who invents and uses such devices), is a device which, through electronic,

hydraulic Hydraulics () is a technology and applied science using engineering, chemistry, and other sciences involving the mechanical properties and use of liquids. At a very basic level, hydraulics is the liquid counterpart of pneumatics, which concer ...

, or

mechanical Mechanical may refer to: Machine * Machine (mechanical), a system of mechanisms that shape the actuator input to achieve a specific application of output forces and movement * Mechanical calculator, a device used to perform the basic operations o ...

linkages, allows a

hand A hand is a prehensile, multi-fingered appendage located at the end of the forearm or forelimb of primates such as humans, chimpanzees, monkeys, and lemurs. A few other vertebrates such as the Koala#Characteristics, koala (which has two thumb#O ...

-like mechanism to be controlled by a

human Humans (''Homo sapiens'') or modern humans are the most common and widespread species of primate, and the last surviving species of the genus ''Homo''. They are Hominidae, great apes characterized by their Prehistory of nakedness and clothing ...

operator. The purpose of such a device is usually to move or manipulate hazardous materials for reasons of

safety Safety is the state of being protected from harm or other danger. Safety can also refer to the control of recognized hazards in order to achieve an acceptable level of risk. Meanings The word 'safety' entered the English language in the 1 ...

, similar to the operation and play of a claw crane game.

History

In 1945, the company Central Research Laboratories was given the

contract A contract is an agreement that specifies certain legally enforceable rights and obligations pertaining to two or more parties. A contract typically involves consent to transfer of goods, services, money, or promise to transfer any of thos ...

to develop a remote manipulator for the

Argonne National Laboratory Argonne National Laboratory is a Federally funded research and development centers, federally funded research and development center in Lemont, Illinois, Lemont, Illinois, United States. Founded in 1946, the laboratory is owned by the United Sta ...

. The intent was to replace devices which manipulated highly

radioactive Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration) is the process by which an unstable atomic nucleus loses energy by radiation. A material containing unstable nuclei is conside ...

materials from above a sealed chamber or hot cell, with a mechanism which operated through the side wall of the chamber, allowing a researcher to stand normally while working. The result was the Master-Slave Manipulator Mk. 8, or MSM-8, which became the iconic remote manipulator seen in newsreels and movies, such as ''

The Andromeda Strain ''The Andromeda Strain'' is a 1969 novel by American writer Michael Crichton, his first novel under his own name and his sixth novel overall. It documents the outbreak of a deadly extraterrestrial microorganism in Arizona and the team of scie ...

'' or ''

THX 1138 ''THX 1138'' is a 1971 American social science fiction film co-written and directed by George Lucas in his feature directorial debut. Produced by Francis Ford Coppola and co-written by Walter Murch, the film stars Robert Duvall and Donald Pl ...

''. Robert A. Heinlein claimed a much earlier origin for remote manipulators. He wrote that he got the idea for "waldos" after reading a 1918 article in ''

Popular Mechanics ''Popular Mechanics'' (often abbreviated as ''PM'' or ''PopMech'') is a magazine of popular science and technology, featuring automotive, home, outdoor, electronics, science, do it yourself, and technology topics. Military topics, aviation an ...

'' about "a poor fellow afflicted with

myasthenia gravis Myasthenia gravis (MG) is a long-term neuromuscular junction disease that leads to varying degrees of skeletal muscle weakness. The most commonly affected muscles are those of the eyes, face, and swallowing. It can result in double vision, ...

... hodevised complicated lever arrangements to enable him to use what little strength he had." An article in '' Science Robotics'' on robots, science fiction, and nuclear accidents discusses how the science fiction waldos are now a major type of real-world robots used in the nuclear industry.

References

External links

* Central Research Laboratorie
web site
* A video of a Remote Manipulator being used to make an origami cran

* Master-slave manipulator at Argonne National Laborator

* {{DEFAULTSORT:Remote Manipulator Robotic manipulation, Nuclear technology

History

See also

References

External links