Can't find the source of a short story about an experiment scientist are making with two balls traveling in opposite direction in time. At the end of the experiment nothing seems to happen. But actually the world was totally changed as the scientists are no more humans with legs and hands.


1 Answer 1


William Tenn, Brooklyn Project.

Also an accepted answer to this old question:

The answer to the older question is extremely well done, please see it for details.

  • 2
    And if this is the story, you can accept it by clicking on the checkmark by the voting buttons. If it's not present, the odds are that you accidentally created a new account.
    – FuzzyBoots
    May 8, 2019 at 13:57
  • An just in case, if you did create two accounts, you can merge them by following these instructions.
    – Jenayah
    May 8, 2019 at 14:20

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.