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Helium can "actually remain liquid up to temperatures of 4 Kelvin, which doesn't require the extreme refrigeration technologies needed for things like transmons
by greenbit 1y ago
Helium can "actually remain liquid up to temperatures of 4 Kelvin, which doesn't require the extreme refrigeration technologies needed for things like transmons."
Well. I had thought liquid helium was famous for being rather extremely cold. I stand recalibrated. Now I have to go look up 'transmons'.
- rcxdude 1y agoAt a certain point it flips from 'how far below room temperature is it' to 'how close to absolute zero is it' and things get exponentially harder as you approach the limit.