Cyclic quantum heat engine in a superconducting circuit uses a transmon qubit to manage/ extract work from ultracold energy fluctuations

https://www.eurekalert.org/news-releases/1135527

"quantum computers' cryogenic heat management relies on massive, noisy external microwave cable arrays, overcome executing ultra-fast thermal cooling cycles on-chip... engine operates in continuous microscopic cycles, actively capturing ambient quantum energy fluctuations/ converting that disruptive localized heat into organized, useful microwave photons... scalable architectural blueprint to dramatically minimize thermal errors in next-generation, large-scale quantum processors"