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an imaginative world they've come in all

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it doesn't sink in let's go back at Emma

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but most present-day robots have far

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less personality than their fictional

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counterparts in a kind of mechanical

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ballet these computer controls

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industrial automaton tirelessly go about

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their business often performing tasks

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too dangerous or monotonous for human

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nASA has been involved in robotics

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research for years developing

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sophisticated vision systems and sensors

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today at the Marshall Space Flight

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Center in Alabama robots do a variety of

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jobs including blasting layers of old

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thermal protection material from the

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shuttles external tanks but now

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researchers at Marshall are focusing

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their attention on using computerized

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machines like these elsewhere in space

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one robotic device the shuttles remote

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manipulator arm has already made its

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mark doing everything from dropping off

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scientific payloads to serving as a

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platform for astronauts outside the

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shuttle but even with the help of the

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arm working in space is difficult one

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application that holds a lot of promise

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for robotic workers is the retrieval and

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repair of satellites shuttle crews have

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demonstrated that they can make

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successful service calls on disabled

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spacecraft but it's not easy this is

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where the orbital maneuvering vehicle or

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omv under study at Marshall would be

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extremely useful essentially a large

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space truck the omv could fly away from

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the shuttle rendezvous with the disabled

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satellite and bring it back for repair

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onboard cameras allow an operator to

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control it from inside the mothership

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the people at Marshall are also working

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on robotic devices that could repair a

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satellite in orbit using sophisticated

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claws these machines change out

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defective parts

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advanced robots could be a great help in

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assembling this country space station

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and once the space station is up and

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running robots will continue to play an