Thermoacoustic Speakers

What are Thermoacoustic speakers?   Thermoacoustic speakers are speakers that generate sound waves from temperature fluctuations. They rapidly heat and cool conducting materials. Unlike conventional voice-coil speakers, thermoacoustic speakers do not rely on...

Pecussion Instruments

  A percussion instrument is a musical instrument that a musician sounds by striking or scraping. Historians believe that the percussion family includes the oldest musical instruments, following the human voice.   Percussion Instruments   The percussion...

Plasma Arc Speakers

What are the Plasma speakers?   Plasma speakers or ionophones are a form of a loudspeaker which varies air pressure via a high-energy electrical plasma instead of a solid diaphragm. Connected to the output of an audio amplifier, plasma speakers vary the size of a...

String Instruments

  String instruments exist in almost all musical cultures. They produce sound from vibrating strings when the performer plays or sounds the strings in some manner. Today, bowed string instruments form the backbone of symphony orchestras, and people widely use...