@article{PhysRevFocus.11.28,
  title = {Ratchets Learn to Embrace Logic},
  author = {Minkel, JR},
  journal = {Phys. Rev. Focus},
  volume = {11},
  issue = {},
  pages = {28},
  numpages = {1},
  year = {2003},
  month = {Jun},
  doi = {10.1103/PhysRevFocus.11.28},
  url = {http://link.aps.org/doi/10.1103/PhysRevFocus.11.28},
  publisher = {American Physical Society}
}