For some, the sound of a "perfect flow" might be the gentle lapping of a forest brook or perhaps the tinkling of water poured from a pitcher. For physicists, a perfect flow is more specific, referring ...

Scientists at MIT have announced that they have recorded the sound of a "perfect fluid." The sound is important because what a so-called "perfect flow" sounds like could help researchers study the ...

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Physicists have observed sound waves moving through a 'perfect' fluid. The results should help scientists study the viscosity in neutron stars, the plasma of the early universe, and other strongly ...