Surfactant Surfactant Surfactants are compounds that lower the surface tension (or interfacial tension) between two liquids, between a gas and a liquid, or between a liquid and a solid. Surfactants may act as detergents, wetting agents, emulsifiers, foaming agents, and dispersants. The term "surfactant" is a blend of "surface active agent". In the United States National Library of Medicine's Medical Subject Headings (MeSH) vocabulary, "surfactant" is reserved for the meaning pulmonary surfactant. For the more general meaning, "surface active agent/s" is the heading. Surfactants are usually organic compounds that are amphiphilic, meaning they contain both hydrophobic groups (their "tails") and hydrophilic
Liquid Tension Experiment time, so he came onstage and took Petrucci's guitar to jam with the band. Petrucci took Levin's bass, and Levin joined in on Chapman Stick. Toward the end of the show, Charlie Benante from the band Anthrax came and played drums while Portnoy played bass. This entire improvised concert was released in 2009 as "". Liquid Tension Experiment Liquid Tension Experiment (LTE) was an instrumental progressive metal band founded by Mike Portnoy, then Dream Theater's drummer, in 1997. The band has released two albums through Magna Carta Records. A third album, with the absence of John Petrucci was released in