Where's my robot butler? High-tech help is hard to find

Robots in all shapes and sizes are starting to work alongside people more closely than ever.
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Credit: flickr/Griggzz

If you're looking for signs of our collective robotic future, it's either terrifyingly near or forever just around the corner.

More than a half-century after the world's first industrial robot, Unimate, began work at a General Motors plant, most commercial robots still work in factories. And household robots have usually been limited to performing one task only, like sucking up dirt.

But researchers are slowly advancing the field.

Note: This slideshow was adapted from the story "Where's my robot butler? Good (high-tech) help is hard to find"

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