time travel

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Across
  1. 2. a thing predicted; a forecast.
  2. 4. a sudden, dramatic, and important discovery or development.
  3. 5. a period of ten years.
Down
  1. 1. a period of one hundred years.
  2. 3. a seemingly absurd or self-contradictory statement or proposition that when investigated or explained may prove to be well founded or true.
  3. 6. a long and distinct period of history with a particular feature or characteristic.