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A paralyzed woman has been able to feed herself chocolate and move everyday items using a robotic arm directly controlled by thought, showing a level of agility and control approaching that of a human limb.

It can talk, see, drive and no longer needs a human being to control it by remote. The car of the future — completely computer-controlled — is on the streets of Berlin. All summer, researchers from the city's Free University have been testing the automobile around the German capital.

The Homeland Security Department plans to test futuristic iris scan technology that stores digital images of people's eyes in a database and is considered a quicker alternative to fingerprints.