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Superfluids Can Become Supersolids

When the isotopes Helium-3 and Helium-4 are cooled to extremely low temperatures, they become liquid and exhibit superfluid properties. This means they have a viscosity near zero and can flow without losing kinetic energy. A vortex created while a fluid is in this state will continue to rotate without dissipating. Under low temperatures and pressures, […]

Superconductor Basics

When we push electrons through most conductors, there is resistance from other electrical fields that slows down the transmission of the electrical current and creates heat. In some materials, the electrons clump together in pairs (Cooper pairs) and move with reduced resistance. These materials are called superconductors and they are most effective at low temperatures […]