A Moment of Science

Posts tagged sound waves

October 16, 2013

 

music notes

Voices On Tape

Have you ever noticed that when you hear your own voice on tape it doesn't sound like you?

December 4, 2012

 

a smiling girl holds a seashell up to her ear

Waves Standing

Have you ever tried to hear the ocean waves in a seashell?

November 3, 2011

 

orange fish swimming

Can Fish Hear?

Fish don't appear to have ears. So how do fish hear?

October 27, 2011

 

a man poses underwater in a swimsuit

How Sound Waves Work Underwater

Water does a much better job than air of conducting sound waves, but that extra conductivity makes it harder, not easier, to tell where a sound comes from.

October 25, 2011

 

music notes

The Physics Of Sound Waves: Why You Feel Music

Sound waves don't just travel in air: they travel through whatever they encounter, including your body.

September 30, 2011

 

A Moth being held by a person

A Hearing Test for Moths

Despite the fact that they don't communicate through sound, some moths have ears. Find out why on this Moment of Science.

September 15, 2011

 

A boy swims under water.

How Sound Travels Under Water

Ever tried conversing under water? Why is it that some words come out fuzzy while other come out perfectly coherent?

September 11, 2009

 

F/A-18 Hornet fighter jet

Faster Than The Speed Of Sound: The Sonic Boom Of Aircraft

In October of 1947, U.S. Air Force Pilot Chuck Yeager became the first person to fly a plane faster than the speed of sound.

August 7, 2009

 

Two caves on Mediterranean coast

Losing Your Voice To An Echo

Shout "HELLO" between two cliffs and you'll hear echoes as sound waves bounce back and forth. But how do echoes really work? Find out on this Moment of Science.

August 2, 2007

 

Close up of ear

Your Ear’s Internal Amplifier

You probably imagine that your ears are rather passive, but they can play a surprisingly active role too. Learn more on this Moment of Science.

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