Short Story
Geoffrey A. Landis
writer
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Short Story
Ripples in the Dirac Sea
- by Geoffrey A. Landis
- in Asimov’s Science Fiction, October 1988
A physics guy invents a time machine that can go only backward and must always return the traveler to the exact same present from which he left. —Michael Main
- Travel is possible only into the past.
- The object transported will return to exactly the time and place of departure.
- It is not possible to bring objects from the past to the present.
- Actions in the past cannot change the present.
Short Story
At Dorado
- by Geoffrey A. Landis
- in Asimov’s Science Fiction, October/November 2002
Cheena’s husband comes back to the port around the wormhole—dead, though the death is in the future, and she doesn’t bother to tell him.
