Excerpt from Reprint of Sections on Wireless Telegraphy and Wireless Telephony From Practical Physics
488. Wireless telegraphy. Commercial wireless telegraphy was realized in 1896 by Marconi (see opposite p. Eight years after the discovery of Hertzian waves. The essential elements of a tuned wave-train, or spark, system of wireless telegraphy are as follows.
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Paperback. Condition: New. Print on Demand. This book delves into the fascinating world of invisible radiation, encompassing the electromagnetic spectrum beyond what our eyes can perceive. Discover the captivating story of how scientists like Hertz and Maxwell unraveled the electromagnetic nature of light, bridging the gap between electricity and optics. The author traces the historical journey of scientists as they unraveled the mysteries of electrical discharges, X-rays, and radioactivity. Through engaging descriptions of experiments and discoveries, the book illuminates the profound impact of these invisible forces on our understanding of the universe. From the discovery of X-rays to the development of wireless communication, the book explores the practical applications of invisible radiation. It delves into the cutting-edge research in astrophysics, nuclear physics, and medicine, revealing how scientists harness these unseen forces to advance human knowledge and improve our lives. This book is a captivating exploration of the unseen world that surrounds us, showcasing the remarkable power of invisible radiation and its profound influence on our understanding of the universe and our place within it. Forgotten Books publishes hundreds of thousands of rare and classic books. This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works. The digital edition of all books may be viewed on our website before purchase. print-on-demand item. Seller Inventory # 9781333933005_0
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