@article{10589,
  abstract     = {Superconducting devices ubiquitously have an excess of broken Cooper pairs, which can hamper their performance. It is widely believed that external radiation is responsible but a study now suggests there must be an additional, unknown source.},
  author       = {Higginbotham, Andrew P},
  issn         = {1745-2481},
  journal      = {Nature Physics},
  keywords     = {superconducting devices, superconducting properties and materials},
  pages        = {126},
  publisher    = {Springer Nature},
  title        = {{A secret source}},
  doi          = {10.1038/s41567-021-01459-x},
  volume       = {18},
  year         = {2022},
}