Upon the Production of Sound by Radiant Energy (Classic Reprint): Paper Read Before the National Academy of Sciences, April, 21, 1881 - Couverture souple

Bell, Alexander Graham

9781333707026: Upon the Production of Sound by Radiant Energy (Classic Reprint): Paper Read Before the National Academy of Sciences, April, 21, 1881

Couverture souple

ISBN 10 : 1333707029 ISBN 13 : 9781333707026

Editeur : Forgotten Books, 2018

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Explore how light can carry sound in new, surprising ways. This compact volume presents Alexander Graham Bell’s 1881 lecture on radiophony, including the photophone concept and experiments that translate light into audible tones. It offers a clear look at how intermittent beams, spectrum work, and inventive receivers can reveal sound in solids, liquids, and gases.

- Learn the basic idea of turning radiant energy into sound and the key early experiments
- See how different substances affect audible results across the spectrum
- Understand the evolution from spectroscope ideas to practical sound-reproducing devices
- Get a sense of the scientific process, including viewing limits, partial results, and ongoing questions

Ideal for readers curious about the origins of light-based sound transmission and the people who helped propel early photophone research.

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�diteur: Forgotten Books
Date d'�dition: 2018
Langue: anglais
ISBN 10: 1333707029
ISBN 13: 9781333707026
Reliure: Broch�
Nombre de pages: 49
Coordonn�es du fabricant: Copytech (UK) Ltd, Trading as Printondemand-worldwide.com
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Upon the Production of Sound by Radiant Energy (Classic Reprint)

Alexander Graham Bell

Edit� par Forgotten Books, 2018

ISBN 10 : 1333707029 ISBN 13 : 9781333707026

Neuf Paperback

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Vendeur : Forgotten Books, London, Royaume-Uni

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Paperback. Etat : New. Print on Demand. This book delves into the fascinating world of sound and light, specifically exploring the phenomenon of radiophony, the production of sound by the action of radiant energy. The author, a pioneer in the field, details their groundbreaking experiments conducted in the late 19th century, a period marked by rapid advancements in physics and the burgeoning understanding of electromagnetic radiation. The book meticulously chronicles their investigations, examining the effects of intermittent beams of sunlight on various substances, from solids like lampblack and worsted to liquids and gases. A central theme emerges in this captivating account: the universality of sonorousness. The author's meticulous research demonstrates that sound can be generated from a wide range of materials, regardless of their physical state, suggesting a fundamental principle at play. The text further explores the different wavelengths of light that produce sound, and the unique sonic responses of various materials, leading to the invention of a groundbreaking instrument: the spectrophone. This book provides a fascinating glimpse into the origins of radiophony, highlighting the early discoveries that laid the foundation for a field that continues to influence our understanding of sound and light. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. N� de r�f. du vendeur 9781333707026_0

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