3: Seeing without light
Exploring the atmosphere, studying molecules, and navigating ships and planes with the help of electromagnetic radiations
F. GRAHAM SMITH , Mullard Radio Astronomy Observatory, Cambridge University
JUDITH MILLRDGE , University College, London
RONALD FRITH, Head of the High Atmosphere Research Branch, Meteorological Office
JOHN SAXTON , Deputy Director, Radio Research Station Broadcast on May 1 in the Third Network