Superfluidity is the characteristic property of a fluid with zero viscosity which therefore flows without any loss of kinetic energy. When stirred, a superfluid forms vortices that continue to rotate indefinitely.

When you stir a fluid like tea in a mug, you get a swirling vortex. But within seconds, the friction between the fluid particles will stop this flow. In a Superfluid, however, there is no friction. So, a stirred cup of superfluid will continue to rotate forever. Such is the weird world of superfluids.

Similarly, it is possible to construct fountains that will continue to jet upward without adding more energy because no energy is lost to friction in a superfluid. Now guess what’s the most bizarre property of superfluids — they can climb out of any container or even wall because their lack of viscosity allows them to form a thin layer that completely covers the container.

For those wanting to play around with a superfluid, there is bad news! Not all chemicals can form superfluids. For those that do exist, they only occur within a few degrees of absolute zero.

Video Editor: Team 121 Creators ([ Ссылка ])
Narration: Sidhart Viyyapu ([ Ссылка ])
Project Head: Rajkumar Shukla ([ Ссылка ])
Production: World Of Science Media

WTF is a Superfluid? Most Bizarre Phase of Matter

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