THE STORY OF ARTIFICIAL SILK against clothes. But it is a movement in the right direction and much good—physical, mental and moral. will come of it. The attention of scientists and doctors has been directed more than ever to the power of these Ultra-Violet rays by the discovery of X-rays by Rontgen in 1895 and the discovery of radium by the Curies in 1897. Both of these rays are shorter still than the Ultra-Violet rays. As for the rays of radium, they have become the greatest wonder of the scientific world. They pass through metal. They discharge the electricity of an electrified body. They disintegrate elements. They have broken down the Atomic Theory and brought in a new view of the universe, As you can see, this matter of rays is a vast new subject. It has opened our eyes to new possibilities of power and health. No one knows what new truths and new powers may be discovered in the next 10 years. To tell the truth, we are just emerging from the Dark Ages—the Dark Ages of Anti-Sun Clothes—the Dark Ages of Prudery and Sex- Consciousness. 7