Superfluidity

The phenomena by which, at sufficiently low temperatures, a fluid can flow with zero viscosity. Its causes are associated with superconductivity. See also: Viscosity.
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superfluidity

the frictionless flow and other exotic behaviour observed in liquid helium at temperatures near absolute zero (273.15 °C, or 459.67 °F), and (less ... [9 related articles]
Found on http://www.britannica.com/eb/a-z/s/187

superfluidity

superfluidity, tendency of liquid helium below a temperature of 2.19K to flow freely, even upward, with little apparent friction. Helium becomes a liquid when it is cooled to 4.2K. Special methods are needed to cool a substance below this temperature, which is very near absolute zero (see Kelvin tem...
Found on http://www.infoplease.com/ce6/sci/A0847258.html

Superfluidity

Superfluidity is a state of matter in which the matter behaves like a fluid with zero viscosity; where it appears to exhibit the ability to self-propel and travel in a way that defies the forces of gravity and surface tension. While this characteristic was originally discovered in liquid helium, it is also found in astrophysics, high-energy physic...
Found on http://en.wikipedia.org/wiki/Superfluidity
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