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Revision as of 22:18, 24 August 2004 by Lunaverse (talk | contribs) (Fixed some things, added a link)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)Short story by Ray Bradbury, first published in 1952.
This well-known story about time travel revolvs around a business called Time Safaris. Time Safaris promises to take you back in time so you can hunt prehistoric animals, such as Tyrannosaurus Rex.
In order to avoid a time paradox, they are very careful to leave history undisturbed on the principle that even the slightest change can cause major changes in the future. Travelers are only allowed shoot animals which are already about to die, and they are required to stay on a path which hovers above the ground. Hunting trophies are not taken; your only souvenir can be a photograph of yourself standing next to the dead monster.
In the story a man leaves the floating path and tramples a butterfly. Upon returning to the present, everyone finds the world to be a somewhat different from than the one they left. All of history has been changed slightly by the death of a single butterfly in the distant past.
This is an fictional exploration of how the Butterfly Effect (or "sensative dependance upon initial conditions, see Edward Lorenz) could affect time travel.