A robot meant to inspect a coastline, a flooded street or a wetland can’t count on one kind of ground. It might need to crawl over a hard surface, climb a bank, scale a curb or a step, then slide into open water, often within the same few feet.A robot meant to inspect a coastline, a flooded street or a wetland can’t count on one kind of ground. It might need to crawl over a hard surface, climb a bank, scale a curb or a step, then slide into open water, often within the same few feet.[#item_full_content]