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Also known as the Acali experiment, Acali expedition, Acali experiment, the Acali expedition, the Peace Project, Peace Project, the Sex Raft, Sex Raft

The '''Acali expedition (or Acali experiment or the Sex Raft''') was a 1973 social experiment that aimed to investigate interpersonal relationships in conditions of limited space and social isolation. The experiment was conceived by Mexican anthropologist Santiago Genovés, who had previously been a crew member of Thor Heyerdahl's Ra expedition. The participants showed a restraint towards aggression, which frustrated Genovés and led him to start to try to create conflict, and at one point he took command of the float. Despite these attempts, the group remained peaceful.

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1.4
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3.9
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start time
1973-05-12
end time
1973-08-21
number of participants
11
name
Acali

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Contents
  • The Raft
  • Participants
  • See also
  • References
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The '''Acali expedition (or Acali experiment or the Sex Raft''') was a 1973 social experiment that aimed to investigate interpersonal relationships in conditions of limited space and social isolation. The experiment was conceived by Mexican anthropologist Santiago Genovés, who had previously been a crew member of Thor Heyerdahl's Ra expedition. The participants showed a restraint towards aggression, which frustrated Genovés and led him to start to try to create conflict, and at one point he took command of the float. Despite these attempts, the group remained peaceful.

The raft had a complement of eleven people: five men and six women. It left Las Palmas, Spain, on 12 May 1973 and took 101 days to drift across the Atlantic Ocean and reach Cozumel, Mexico, with a single stopover in Barbados. Frequently dubbed the "Sex Raft" by the media, it was the subject of a 2018 documentary film The Raft, by Marcus Lindeen.

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