The first plane ever to fly faster than the speed of sound was the X-1 in nineteen forty-seven.

VOA: special.2010.07.07

When there is fresh snow on the ground, the surface of the snow takes in, or absorbs,sound waves.

VOA: special.2010.01.05

The Doppler effect explains changes in the length of light waves or sound waves as they move toward you or away from you.

VOA: special.2009.04.29

Professor Rauschecker says large parts of the visual cortex became active during the sound and touch tests, but only in the blind people.

VOA: special.2010.10.13

Some people say they were responsible for creating Puget Sound in the western state of Washington.

VOA: special.2009.01.24

There came a sound of running feet in the hall below,then: "Muvver!--it's Muvver come back!"

VOA: special.2010.05.15

In nineteen fifty-six, he released a new version of "The Ten Commandments" to include sound.

VOA: special.2009.05.31

She loved the sound of words and the way the words felt in her mouth.

VOA: special.2010.04.18

is named in his honor. And it opens with the sound of his sax.

VOA: special.2009.08.28

He wanted the music to sound like the streets of Chagall's neighborhood in Russia.

VOA: special.2010.03.24

In traditional Pig Latin, the first consonant sound of a word is moved to the end of the word and then an -ay is added to that.

VOA: special.2009.12.04

If I could choose the language in which I spoke to you, I would choose to speak in Gaelic, the sliding scale,the sussuration of breath, The sound of water beating between us."

VOA: special.2011.05.09

economy is fundamentally sound. "Well,of course the fundamentals are sound in the sense that the American workers are sound,"

VOA: standard.2009.03.15

(MOVIE SOUND) The international cast in "Clash of the Titans" featuresLiam Neeson as Zeus with Ralph Fiennes as his brother god Hades.

VOA: standard.2010.04.08