QUANTUM F****** COMPUTING

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Across
  1. 2. Connected with a wide-known mathematical constant
  2. 4. Container with a lot of cables
  3. 5. One of the basic sciences
  4. 7. Sub-atomic level
Down
  1. 1. Temporary data,which is not entangled with the answer
  2. 3. Scary
  3. 6. The process of making someone feel good using hands