4 ms·
Far outside my wheelhouse here, but isn't this just superconductors [1]? Liquid helium forms below 5.2 kelvin [2] and super conductors can be formed ~4 kelvin.
by bArray 6y ago
Far outside my wheelhouse here, but isn't this just superconductors [1]? Liquid helium forms below 5.2 kelvin [2] and super conductors can be formed ~4 kelvin.
[1] https://en.wikipedia.org/wiki/Electrical_resistance_and_conductance#Superconductivity https://en.wikipedia.org/wiki/Electrical_resistance_and_cond...
[2] https://en.wikipedia.org/wiki/Liquid_helium https://en.wikipedia.org/wiki/Liquid_helium
- jussij 6y agoThey mention as much in the article: The researchers used superfluid helium, which has several unique properties. For example, it remains in a liquid form at temperatures down to absolute zero, when any other liquid would freeze, and behaves like fluid with zero viscosity, or no resistance. They use that liquid helium to create a no resistance T-junction circuit. But that circuit did not obey Ohms law, because while the elections had two zero resistance paths through the T-junction, they only used one of those two paths. Then when they sent the elections down the stem of the T-junction the electrons behaved as expected, using both the available paths.
- dogma1138 6y agoTo simplify this the electrons broke ohms law because they didn’t follow the path of least resistance.