When a sound is made, it spreads. And when it hits a hard surface that is far away, it bounces back and comes back to where the sound was made. That's what we call an echo.
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Articles on Sounds
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Sound, as a still relatively unexplored medium of urban design, provides an obvious starting point in the search for new relationships and identities in the contemporary city.
Communities have an increasing desire to be informed and included in local art, design and infrastructure projects. This has inspired new ways of dealing with noise-afflicted areas.
Unlike vision or touch, sound is much more difficult to control or avoid; music in particular spills across thresholds and intrudes into situations where it is unwelcome.
Listen to some weird space sounds and help identify crunches, whistles and other odd effects. It could help save our satellites.
From Long Range Acoustic Devices used to disperse protesters to ear-splitting military drones to songs blasted on rotation to prisoners, ours is an age in which sound has been repositioned as a tool of terror.
Your own choice of music in a restaurant, your preferred language in a cinema, and a personal tour in a museum. All are possible if you can control the sound in almost any place.
Unexpected calls to prayer from mosques in Turkey caught many off guard on the night of the attempted coup. An ethnomusicologist explains the political and social power of sound.
Shortly after Glen MacPherson started hearing strange humming noises, he created the World Hum and Database Project so people around the world could document their own experiences with the Hum.
Why do certain songs and colors make us feel a certain way?
Patterns are simple sequences that repeat over and over again in a certain order. Supporting children's ability to recognize patterns can improve mathematical skills.
Top contributors
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Research Fellow, School of Design, RMIT University
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Assistant Professor Social Science, University of Canberra
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Adjunct Lecturer, The University of Queensland
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Associate Professor of Psychology, Vanderbilt University
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Independent Scholar, James Cook University
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PhD Candidate, University of Wollongong
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Stephen Palmer is a Friend of The Conversation.
Professor of the Graduate School, University of California, Berkeley
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Assistant Professor of Research, Brown University
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Space Plasma Physicist, Queen Mary University of London
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GMAT and GRE Specialist, Former Lecturer, University of British Columbia
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Leading Education Professional (Physics), UNSW Global, UNSW
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Associate professor, University of Wollongong
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Professor, Victoria University of Wellington
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Assistant Professor of Ethnomusicology, Washington University in St Louis
