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Development Expo Robots Still not Ready for Everyday Life Robots of all shapes and sizes were batting fastballs, drawing portraits, teaching the waltz and doing standup comedy at the World Expo - but several years of testing are still needed before most of them can be used in public, developers say. | Self-replicating Robots Demonstrated at Cornell Robots at Cornell University are making copies of themselves without human intervention. In principle, the machines will be able to repair and reproduce themselves in space and other remote environments. |
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