The waters can look so still and blue, like a painting, though they can also become rough with waves when the wind blows.

VOA: special.2009.01.05

So they work well in places like electric motors in hybrid vehicles or generators for wind turbines.

VOA: special.2010.10.08

They used a computer program to show what would happen with an overnight wind.

VOA: special.2010.10.19

South Korea's defense ministry tells VOA News that plans to send tens of thousands of leaflets northward by ballon have been delayed because of wind conditions, but they could go aloft as early as Thursday.

VOA: standard.2010.05.26