They never cross our minds until they become damaged and then they’re a huge problem: our sewers. Their maintenance could be much faster and more accurate, Ph.D. candidate Dirk Meijer has discovered. Algorithms are also proving to be a godsend deep underground.They never cross our minds until they become damaged and then they’re a huge problem: our sewers. Their maintenance could be much faster and more accurate, Ph.D. candidate Dirk Meijer has discovered. Algorithms are also proving to be a godsend deep underground.[#item_full_content]