Dr. Roberts discusses recent restraints suggested by the Reagan Administration on access by certain foreign nationals to unclassified computer facilities provided by the National Science Foundation at various U.S. facilities. Walter Orr Roberts informal series, "Provocations." Each issue consists... Show moreDr. Roberts discusses recent restraints suggested by the Reagan Administration on access by certain foreign nationals to unclassified computer facilities provided by the National Science Foundation at various U.S. facilities. Walter Orr Roberts informal series, "Provocations." Each issue consists of provocative comments related to scientific issues that mostly focus on weather, climate, the sun, or near space, with the aim of creating a forum for discussion. Show less