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 announced to celebrate the bands 10 year anniversary as well to create a "whole new musical experiment". Liquid Tension Experiment released a multi-disc boxed set of tour highlights from their 2008 tour, including complete shows from New York and Los Angeles on DVD and CD (the L.A. show also on Blu-ray), the Liquid Trio Experiment 2 recording from Chicago (q.v. below), and a disc of improvisations from other shows on the tour. The New York and Los Angeles shows were also released separately on CD or DVD, all through Dream Theater's official bootlegs website, YtseJam Records' subsidiary, Lazy Tomato Entertainment.