Glenn L. Martin makes big airplanes at Baltimore. He also makes big statements to reporters. Last week he announced at the Wings Club, Manhattan, that the U.S. has developed a "radioactive cloud" that is effective over a much wider area than an atomic bomb, and "kills anyone who comes in contact with it."
Martin may have been leaking some inside information. It is just as likely that he was merely repeating some gossip in military circles. Radioactive clouds have been discussed since Hiroshima.
One possible but unlikely theory: a killing cloud might be formed by dispersing radioactive byproducts of plutonium-making piles. The byproducts...