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Acoustic echo
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Acoustic echo
Illustration from " The Artisan; or, the Mechanics Instructor" London 1825, edited by George G. Carey. The sound wave ac is reflected at d by the oblique wall causing an echo to be heard at m. The mathematical theory of sound wave propagation was begun by Isaac Newton. During the 18thc it was developed further by Euler, Lagrange and d Alembert and their work still forms the basis of todays modern theories on the wave propagation of sound
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6319811
© Sheila Terry
Acoustics Echo Newton Sound Sound Waves Dalembert Euler La Grange
EDITORS COMMENTS
This print titled "Acoustic Echo" takes us back to London in 1825, during a time when the world of sound was being explored and understood. The illustration, sourced from "The Artisan; or, the Mechanics Instructor" edited by George G. Carey, showcases an intriguing phenomenon involving sound waves. In this image, we witness the journey of a sound wave represented by ac as it encounters an oblique wall at d. As if playing with our senses, the wave is reflected off this wall and creates an echo that can be heard at m. This mesmerizing occurrence highlights how even inanimate objects have the power to manipulate and transform sounds around them. Isaac Newton initiated the mathematical theory behind sound wave propagation, but it was further developed during the 18th century by brilliant minds such as Euler, Lagrange, and d'Alembert. Their groundbreaking work laid down the foundation for modern theories on how sound waves travel through space. As we delve into this remarkable visual representation of acoustic phenomena from centuries ago, let us appreciate not only their scientific significance but also their artistic beauty. Science Photo Library has once again captured a moment frozen in time where science meets art seamlessly – reminding us of our never-ending quest to understand and harness nature's wonders without commercial intentions clouding our vision.
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