Usually, the sound waves your vocal cords produce travel through air in your voice box. But when they go through the helium that you’ve inhaled, they travel about three times faster. That’s because ...

Sound waves are formed by the vibration of something (a drum-skin or your vocal chords, for instance) in a medium such as air. In the case of a drum, as one strikes its skin, it vibrates up and down.

A few locales might manage to pro­ject the ruckus of, say, a sci-fi movie explosion, but squeaks on the scale of a human voice would falter. This story originally published in the Noise, Winter ...

The vibrations mix with the sound waves traveling from your mouth to your eardrum, giving your voice a quality—generally a deeper, more dignified sound—that no one else hears.

In our everyday world, waves are stubbornly democratic. Whether it’s the sound of a conversation, the glow of a lightbulb, or the undulations of the ocean, waves tend to flow equally in both ...

When sound waves from the outside world -- someone else's voice, for example -- hit the outer ear, they're siphoned straight through the ear canal to hit the ear drum, creating vibrations that the ...

When you speak, your voice reaches your ears in two ways: through the air and through your body. Normally, we hear sounds through air conduction, where sound waves travel through the air, enter ...

The documentary "Making Waves" is an engaging look at the mechanics of movie sound from "Star Wars" to "Argo." Review: 'Making Waves' - sound secrets behind 'Star Wars' and more - Los Angeles Times ...

When we have conscious thoughts, we can often hear a voice inside our heads – now new research is revealing why.