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"Researchers have suggested an approach for protecting expensive components in big robots when on difficult terrain. Send in little, inexpensively made robots ahead of them as scouts. Whether the unanticipated risk is in the form of icy patches, sticky mud or rough obstacles, the little and expendable robots can be used for sending ahead of the big robots, for detection of hazards ahead. Researchers from the Biomimetic Millisystems Lab at the University of California, Berkeley and ETH Zurich presented their strategy at the IEEE International Conference on Robotics and Automation (ICRA) 2014 in Hong Kong, which took place from May 31 to June 5."^^<http://www.w3.org/2001/XMLSchema#string>
<https://techxplore.com/news/2014-06-big-tiny-robots-risky-ground.html>