Utility fog has a father, who wrote a report: “Utility Fog: A Universal Physical Substance,” J. Storm Hall, Interdisciplinary Science and Engineering in the Era of Cyberspace, NASA Conference publication 10129, 1993, pp. 115-126. Hall, at Rutgers University, explains: Active, polymorphic material (“Utility Fog”) can be designed as a conglomeration of 100-micron robotic cells (‘foglets’). […]