Sometimes the birds sat down on the sea in groups, near brown seaweed that rolled on the waves.

VOA: special.2010.03.06

The radio waves are measured when the earth is at two points opposite one another in its orbit.

VOA: special.2009.01.20

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

VOA: special.2010.01.05

These areas, called cosmic masers, are rich in gas molecules that have the effect of strengthening radio waves.

VOA: special.2009.01.20

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

The waves were huge, and each created a problem in guiding the direction of the boat.

VOA: special.2010.03.06

In coastal areas it can swell,or enlarge, to waves of up to thirty meters high.

VOA: special.2009.03.17

Cornell honors Cayuga Lake in its school song, which begins: "Far above Cayuga's waters With its waves of blue Stands our noble alma mater Glorious to view."

VOA: special.2009.01.05

In nineteen sixty, the Great Chilean Earthquake caused waves that took many lives.

VOA: special.2009.03.17

People in Japan call them "harbor waves." Tsunami is a two-character Japanese word.

VOA: special.2011.06.07

In Thailand, some waves were as high as many buildings.

VOA: special.2009.03.17

"If you think about hurricanes in the Caribbean, hurricanes start their lives as waves, what we call easterly waves over Western Africa,"

VOA: standard.2009.08.30

"So our main challenges are: how do we stabilize the vessel itself in all those waves?

VOA: standard.2010.01.04