AM radio can be sent over larger distances, but the quality of the sound is not as good as a later kind of radio signal processing, called frequency modulation.

VOA: special.2010.12.08

Mill er says U.S.missile defense capability is not as good as it should be in some areas, particularly the Middle East, but he expects that to change significantly,and soon.

VOA: standard.2010.03.26

The League hopes it can convince skeptics that a vote for a new climate law will be good not only for the U.S.economy but for the planet as well.

VOA: standard.2010.02.25