Add Yahoo as a preferred source to see more of our stories on Google. The robot, which is 7 feet long and 4.5 feet wide, sifts through sand up to 4 inches deep to clean the beaches. The night one of ...
Meet BeBot: The sand-sifting, beach-cleaning robot The robot, which is 7 feet long and 4.5 feet wide, sifts through sand up to 4 inches deep to clean the beaches.
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