This -- along with the story of Chemurgy, leads one to believe that our lives are just a series of test tubes for the scientists. Here are the physicists at work, in the fields of agriculture, radio, glass manufacture, light, medicine, the weather. Here are the latest findings in photography, television, phonographs, air conditioning, aviation, spectroscopic analysis, microscopes, telescopes, etc. An exciting world we live in, where every material problem hinges on the control of energy. Good reading for the layman.