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That Martian robo-brush seems to do an OK job. Is Curiosity turning into a $2.5 billion Roomba? I'd love to hear what Sarcastic Rover thinks about this:
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Alexander Panzeri's profile photoCosmic Blog's profile photo
 
it has a logic to move, it can burn out all bacteria and cut the grass or protect your house from bad people...also it can follow you on road and office... :-)))
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