Mother of Invention - Virtual cow fences and self-reconfiguring automatons are just two of MIT roboticist Daniela Rus's visions

The old Star Trek intro had it all wrong. In the world of the future, the one envisioned by MIT computer scientist and robot builder Daniela Rus, outer space won't be the place to ogle humanity's whiz-bang technology. You'll just plant your feet in a cow field. In Rus's future world, cows wear computerized collars hooked up to Global Positioning System technology that keeps tabs on the critters' every move.

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