Time Machine

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Across
  1. 2. a particular place or position
  2. 5. all matter and space considered as a whole...the whole ________
Down
  1. 1. to go from one place to another, typically a distance of some length
  2. 3. opposite of closed
  3. 4. a hypothetical group of multiple universes
  4. 6. to go on forever without stopping