International Geophysical Year for BBC: MSs of scientists speaking to camera. MS of radio physics laboratory at Defence Research Telecommunications establishment. CU of name of building on plaque. MS of scientists and technicians puttering around piece of scientific equipment on dock. Shot of man walking up to group and shaking hands with the group's supervisor. Closer HAS of two men working on piece of equipment. Interior shots of scientist working on instruments. Shot of man walking up, the two chatting briefly. MS of impressive array of instruments, dials, buttons and wires in evidence.