@misc{indiciaec6d30b781792,
  title = {Ripples in spacetime.},
  author = {W Wayt Gibbs},
  year = {2002},
  doi = {10.1038/scientificamerican0402-62},
  url = {https://pubmed.ncbi.nlm.nih.gov/11905110/},
  note = {Source identifier: 11905110}
}