We compare and contrast closed-ended, open-ended, and closed-on-one-end tubes. In this Closer Look segment on Standing Waves, we compare and contrast closed-ended, open-ended, and closed-on-one-end ...

Standing waves are one of those topics that lots of people have a working knowledge of, but few seem to really grasp. A Ham radio operator will tell you all about the standing wave ratio (SWR) of his ...

Streams of sound are now all you need to make objects dance in the air and combine. A levitation device is the first to use high-frequency sound waves to bring together floating particles and liquid ...