STATIC SPEAKER

Seyed Mohammad Hoseini Yamin
University
Shahid Beheshti University
Shahid Beheshti University

Producing sound in different conditions is conceptually interesting. In the other hand, use of sounds for our objectives are attractive, too. For example, some people think about thermoacoustic engines to make heat with sound and reversely produce heat using of sound. The last has more application for our routine life. Here with the aid of fundamental concept of Physics we were able to produce sound in new way. We use the fourth discovered phase of matter, plasma .