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Sound Waves

Ashley Noseworthy avec l'océan derrière elle

Ashley Noseworthy

CEO/Founder of Edgewise Environmental

I own and operate an environmental consultancy that helps companies reduce their underwater noise pollution.
Cuvier's beaked whales

Are Whales Beaching Themselves Stressed By Sonar?

Read about why sonar could be causing some whales to beach themselves.

Amy King dans un studio d'enregistrement

Amy King

Music Producer / Recording Engineer

Amy King is a Music Producer / Recording Engineer for Grant Avenue Studio.
Ultrasound treatment on knee

Ultrasonography

Learn about the history, function, uses, benefits and risks of Ultrasonography as a medical imaging technology.

 Sound waves and sound-producing devices. Image © jop_pop, istockphoto.com

Sound vs. Noise

What is the difference between sound and noise? How do they affect your hearing? And is noise always a bad thing?

​​​​​​​The Electronic Sackbut Synthesizer

Who Created the Electronic Synthesizer?

A Canadian researcher built the first voltage-controlled synthesizer in the 1940s.

Sound waves

What is Sound and How do we Hear it?

Learn how sound travels in waves and how it is measured in this backgrounder.

How does sound travel?

How does sound travel?

Try out this cool activity to hear sound vibrations.

Replica of the earliest wooden model stethoscope

Stethoscope Replica

Using stethoscopes, doctors can use sound waves to detect various health issues. Learn how this device has evolved since it was invented in 1816!