The collection contains archival materials relating to the subject of cold fusion, and experiments conducted to corroborate the supposed discovery of the phenomenon. The collection includes Mahaffey's heavily illustrated laboratory notebook, dating from the beginning of the experiment on April 8, 1989 through April 20, 1989, documenting the experiment's research plan, budget, ingredients and instruments used, the time line and Mahaffey's and his fellow scientists' observations; and a report, April 30, 1989, on the results of Georgia Tech Research Institute's experiments. These two items were donated by GTRI. Additional items, donated by Mahaffey include: letters and emails to Mahaffey, photographs and slides used in a lecture, copies of papers given and bibliographies on the subject, abstracts of accounts of cold fusion research presented at a Santa Fe workshop, audio recordings of the same conference, a patent, articles, and video recordings of press coverage.